From vedahung1116 at gmail.com  Mon Nov  2 14:21:40 2015
From: vedahung1116 at gmail.com (Veda)
Date: Mon, 2 Nov 2015 05:21:40 -0800 (PST)
Subject: [datatable-help] write strings with a specific font
Message-ID: <1446470500146-4714249.post@n4.nabble.com>

Dear R experts,

I'd like to export a data frame with both numbers and strings in a text
file. The problem is that I don't know how to write the strings in a
specific font "Zapf Dingbats". Any suggestions are appreciated. Thanks!

Sincerely,
Veda



--
View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249.html
Sent from the datatable-help mailing list archive at Nabble.com.

From niparisco at gmail.com  Mon Nov  2 15:11:44 2015
From: niparisco at gmail.com (Nicolas Paris)
Date: Mon, 2 Nov 2015 15:11:44 +0100
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <1446470500146-4714249.post@n4.nabble.com>
References: <1446470500146-4714249.post@n4.nabble.com>
Message-ID: <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>

Hello,

Look at the openxlsx package :

It allows to apply style.

    hs <- createStyle(textDecoration = "BOLD", fontColour = "#FFFFFF",
fontSize=12,
                       fontName="Arial Narrow", fgFill = "#4F80BD")

     write.xlsx(iris, file = "writeXLSX3.xlsx", colNames = TRUE,
borders = "rows", headerStyle = hs)

On the other hand, the readxl packages is the best I know to read xlsx files.

Note that the xlsx format has a row number limitation of  1,048,576
and a column limitation of 16,384

regards

2015-11-02 14:21 GMT+01:00 Veda <vedahung1116 at gmail.com>:
> Dear R experts,
>
> I'd like to export a data frame with both numbers and strings in a text
> file. The problem is that I don't know how to write the strings in a
> specific font "Zapf Dingbats". Any suggestions are appreciated. Thanks!
>
> Sincerely,
> Veda
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help

From vedahung1116 at gmail.com  Mon Nov  2 17:14:58 2015
From: vedahung1116 at gmail.com (Veda)
Date: Mon, 2 Nov 2015 08:14:58 -0800 (PST)
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
References: <1446470500146-4714249.post@n4.nabble.com>
 <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
Message-ID: <1446480898647-4714254.post@n4.nabble.com>

Hello Natus,

Thanks for suggestions.
I tried the function and some other similar functions (e.g., xlsx) but found
that they do not work for text file. Any idea to get around this? thanks!

Veda





--
View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249p4714254.html
Sent from the datatable-help mailing list archive at Nabble.com.

From niparisco at gmail.com  Mon Nov  2 17:31:25 2015
From: niparisco at gmail.com (Nicolas Paris)
Date: Mon, 2 Nov 2015 17:31:25 +0100
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <1446480898647-4714254.post@n4.nabble.com>
References: <1446470500146-4714249.post@n4.nabble.com>
 <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
 <1446480898647-4714254.post@n4.nabble.com>
Message-ID: <CA+ssMOQx5R=93DNJ5KxKer=ARa0v6gqBetLZkPVyi5jL7_2Gsg@mail.gmail.com>

What do you exactly mean by text file ?

2015-11-02 17:14 GMT+01:00 Veda <vedahung1116 at gmail.com>:
> Hello Natus,
>
> Thanks for suggestions.
> I tried the function and some other similar functions (e.g., xlsx) but found
> that they do not work for text file. Any idea to get around this? thanks!
>
> Veda
>
>
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249p4714254.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help

From vedahung1116 at gmail.com  Mon Nov  2 17:39:16 2015
From: vedahung1116 at gmail.com (Veda)
Date: Mon, 2 Nov 2015 08:39:16 -0800 (PST)
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <CA+ssMOQx5R=93DNJ5KxKer=ARa0v6gqBetLZkPVyi5jL7_2Gsg@mail.gmail.com>
References: <1446470500146-4714249.post@n4.nabble.com>
 <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
 <1446480898647-4714254.post@n4.nabble.com>
 <CA+ssMOQx5R=93DNJ5KxKer=ARa0v6gqBetLZkPVyi5jL7_2Gsg@mail.gmail.com>
Message-ID: <1446482356628-4714257.post@n4.nabble.com>

file extension of .txt



--
View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249p4714257.html
Sent from the datatable-help mailing list archive at Nabble.com.

From aragorn168b at gmail.com  Mon Nov  2 17:54:16 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Mon, 2 Nov 2015 17:54:16 +0100
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <1446482356628-4714257.post@n4.nabble.com>
References: <1446470500146-4714249.post@n4.nabble.com>
 <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
 <1446480898647-4714254.post@n4.nabble.com>
 <CA+ssMOQx5R=93DNJ5KxKer=ARa0v6gqBetLZkPVyi5jL7_2Gsg@mail.gmail.com>
 <1446482356628-4714257.post@n4.nabble.com>
Message-ID: <etPan.56379556.79cf33d4.2ea@dragonfly>

Veda, you?re spamming the forum for the data.table package. Could you please ask under r-help instead: https://stat.ethz.ch/mailman/listinfo/r-help?

--?
Arun

On 2 November 2015 at 17:52:20, Veda (vedahung1116 at gmail.com) wrote:

file extension of .txt  



--  
View this message in context: http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249p4714257.html  
Sent from the datatable-help mailing list archive at Nabble.com.  
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151102/f5522b03/attachment.html>

From aragorn168b at gmail.com  Mon Nov  2 17:56:31 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Mon, 2 Nov 2015 17:56:31 +0100
Subject: [datatable-help] fread with multi-line character vector input
In-Reply-To: <1446073541400-4714096.post@n4.nabble.com>
References: <1446073541400-4714096.post@n4.nabble.com>
Message-ID: <etPan.563795dd.6109b8bc.2ea@dragonfly>

Can fread read from a multi-line character vector, similar to the read.table?
text= argument??
No.

Feature request??
Please do, but check the existing issues using ?label:fread? before filing please. Even if it couldn?t be done any efficiently, it might be convenient.



--?
Arun

On 29 October 2015 at 00:18:13, Douglas Clark (clark9876 at airquality.dk) wrote:

Can fread read from a multi-line character vector, similar to the read.table  
text= argument? Feature request?  

I am importing the output "print" file from a dispersion model (a fortran  
program). The output file consists of 4000+ lines of text, tables of model  
parameters, and tables of model results, all of varying lengths. I read the  
entire file into a character vector variable, such as mylines <-  
readLines(...), and then use regular expressions to "clean" the text and  
locate the starting and ending lines of the tables to be imported.  

I tried to use fread(mylines[start:stop]), but fread doesn't accept a vector  
of character strings as input -- only a length 1 character vector (ie all in  
one string).  

read.table does allow reading from a multi-line character vector variable,  
using the text= argument, ie read.table(text = mylines[start:stop],...).  

fread will also read it, if I collapse the multi-line character vector into  
a single string using paste0 or stri_flatten, as in  
fread(paste0(mylines[start:stop], collapse = "\n"))  
or  
fread(stri_flatten(mylines[start:stop], collapse = "\n"))  

But it would be nice if I could skip the collapse step.  

Does fread have a way to directly read from a multi-line character vector  
without flattening it -- like the text= argument in read.table ? Or is  
there an easier approach? If not, should this be a feature request?  



--  
View this message in context: http://r.789695.n4.nabble.com/fread-with-multi-line-character-vector-input-tp4714096.html  
Sent from the datatable-help mailing list archive at Nabble.com.  
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151102/a75b640e/attachment.html>

From niparisco at gmail.com  Mon Nov  2 20:23:21 2015
From: niparisco at gmail.com (Nicolas Paris)
Date: Mon, 2 Nov 2015 20:23:21 +0100
Subject: [datatable-help] write strings with a specific font
In-Reply-To: <etPan.56379556.79cf33d4.2ea@dragonfly>
References: <1446470500146-4714249.post@n4.nabble.com>
 <CA+ssMOS3VJcOAusf98vygL5TZ0cAwaYtoTrmGQKB5NdW4ZmZ3w@mail.gmail.com>
 <1446480898647-4714254.post@n4.nabble.com>
 <CA+ssMOQx5R=93DNJ5KxKer=ARa0v6gqBetLZkPVyi5jL7_2Gsg@mail.gmail.com>
 <1446482356628-4714257.post@n4.nabble.com>
 <etPan.56379556.79cf33d4.2ea@dragonfly>
Message-ID: <CA+ssMOS+7=hMii1Fe2s9HwQ_1bGJtaUQg-vgUW5oaJ4bB0dvDA@mail.gmail.com>

.txt files does not deal with fonts as well csv

2015-11-02 17:54 GMT+01:00 Arunkumar Srinivasan <aragorn168b at gmail.com>:

> Veda, you?re spamming the forum for the data.table package. Could you
> please ask under r-help instead:
> https://stat.ethz.ch/mailman/listinfo/r-help?
>
> --
> Arun
>
> On 2 November 2015 at 17:52:20, Veda (vedahung1116 at gmail.com) wrote:
>
> file extension of .txt
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/write-strings-with-a-specific-font-tp4714249p4714257.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
>
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151102/a61ef8f7/attachment-0001.html>

From hamza_essid at hotmail.fr  Wed Nov  4 10:07:51 2015
From: hamza_essid at hotmail.fr (Ash111)
Date: Wed, 4 Nov 2015 01:07:51 -0800 (PST)
Subject: [datatable-help] R function
In-Reply-To: <1446586415577-4714304.post@n4.nabble.com>
References: <1446567806247-4714299.post@n4.nabble.com>
 <1446586415577-4714304.post@n4.nabble.com>
Message-ID: <1446628071704-4714328.post@n4.nabble.com>

Thank you Patrick 



--
View this message in context: http://r.789695.n4.nabble.com/R-function-tp4714299p4714328.html
Sent from the datatable-help mailing list archive at Nabble.com.

From hamza_essid at hotmail.fr  Wed Nov  4 11:01:35 2015
From: hamza_essid at hotmail.fr (Ash111)
Date: Wed, 4 Nov 2015 02:01:35 -0800 (PST)
Subject: [datatable-help] R - Comparison
Message-ID: <1446631295976-4714329.post@n4.nabble.com>

Hello everyone,

I have a vector X = [ 0 2 5 4 1 9 ]
I want to build another vector Y  wich will have the same length as X and
which contains the comparison of the elements of x as follows :
if x < = 3: returns F
if 3 < x < = 6: returns M
if 6 < x: returns E

I expected the result:
Y = [F F M M F E ]

How to do that with R ??

Thank you :-) 



--
View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329.html
Sent from the datatable-help mailing list archive at Nabble.com.

From niparisco at gmail.com  Wed Nov  4 15:53:52 2015
From: niparisco at gmail.com (Nicolas Paris)
Date: Wed, 4 Nov 2015 15:53:52 +0100
Subject: [datatable-help] R - Comparison
In-Reply-To: <1446631295976-4714329.post@n4.nabble.com>
References: <1446631295976-4714329.post@n4.nabble.com>
Message-ID: <CA+ssMOQUTD7M_k287DvJ3gEpQwaGCv7c=L5bF6t_EcxiwLCUtw@mail.gmail.com>

hello,
use ifelse that is vectorial function
x <- c( 0, 2, 5, 4, 1, 9 )
y <- ifelse(x<=3,"F",ifelse( 3 < x && x <= 6,"M",ifelse(6<x,"E","ERROR")))

2015-11-04 11:01 GMT+01:00 Ash111 <hamza_essid at hotmail.fr>:
> Hello everyone,
>
> I have a vector X = [ 0 2 5 4 1 9 ]
> I want to build another vector Y  wich will have the same length as X and
> which contains the comparison of the elements of x as follows :
> if x < = 3: returns F
> if 3 < x < = 6: returns M
> if 6 < x: returns E
>
> I expected the result:
> Y = [F F M M F E ]
>
> How to do that with R ??
>
> Thank you :-)
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help

From hamza_essid at hotmail.fr  Wed Nov  4 16:02:33 2015
From: hamza_essid at hotmail.fr (Ash111)
Date: Wed, 4 Nov 2015 07:02:33 -0800 (PST)
Subject: [datatable-help] R - Comparison
In-Reply-To: <1446631295976-4714329.post@n4.nabble.com>
References: <1446631295976-4714329.post@n4.nabble.com>
Message-ID: <1446649353081-4714347.post@n4.nabble.com>

Thank you natus :-) 



--
View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329p4714347.html
Sent from the datatable-help mailing list archive at Nabble.com.

From niparisco at gmail.com  Wed Nov  4 16:25:26 2015
From: niparisco at gmail.com (Nicolas Paris)
Date: Wed, 4 Nov 2015 16:25:26 +0100
Subject: [datatable-help] R - Comparison
In-Reply-To: <1446649353081-4714347.post@n4.nabble.com>
References: <1446631295976-4714329.post@n4.nabble.com>
 <1446649353081-4714347.post@n4.nabble.com>
Message-ID: <CA+ssMOTyxcDH3ESSeJFP-VCRkOm2XthNou7XXSM2Gkw3DWUXbA@mail.gmail.com>

sorry
use  3 < x & x <= 6 instead of  3 < x && x <= 6
because & is vectorial && not
something like that

2015-11-04 16:02 GMT+01:00 Ash111 <hamza_essid at hotmail.fr>:
> Thank you natus :-)
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329p4714347.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help

From aragorn168b at gmail.com  Wed Nov  4 16:26:42 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Wed, 4 Nov 2015 16:26:42 +0100
Subject: [datatable-help] R - Comparison
In-Reply-To: <CA+ssMOTyxcDH3ESSeJFP-VCRkOm2XthNou7XXSM2Gkw3DWUXbA@mail.gmail.com>
References: <1446631295976-4714329.post@n4.nabble.com>
 <1446649353081-4714347.post@n4.nabble.com>
 <CA+ssMOTyxcDH3ESSeJFP-VCRkOm2XthNou7XXSM2Gkw3DWUXbA@mail.gmail.com>
Message-ID: <etPan.563a23d0.123595fd.176@dragonfly>

Please do not spam the data.table mailing list. The question isn?t data.table related at all. Please post this on r-help. And please stop encouraging such questions.

--?
Arun

On 4 November 2015 at 16:25:33, Nicolas Paris (niparisco at gmail.com) wrote:

sorry  
use 3 < x & x <= 6 instead of 3 < x && x <= 6  
because & is vectorial && not  
something like that  

2015-11-04 16:02 GMT+01:00 Ash111 <hamza_essid at hotmail.fr>:  
> Thank you natus :-)  
>  
>  
>  
> --  
> View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329p4714347.html  
> Sent from the datatable-help mailing list archive at Nabble.com.  
> _______________________________________________  
> datatable-help mailing list  
> datatable-help at lists.r-forge.r-project.org  
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151104/dbae10be/attachment.html>

From hamza_essid at hotmail.fr  Wed Nov  4 16:15:17 2015
From: hamza_essid at hotmail.fr (Ash111)
Date: Wed, 4 Nov 2015 07:15:17 -0800 (PST)
Subject: [datatable-help] R - Comparison
In-Reply-To: <CA+ssMOQUTD7M_k287DvJ3gEpQwaGCv7c=L5bF6t_EcxiwLCUtw@mail.gmail.com>
References: <1446631295976-4714329.post@n4.nabble.com>
 <CA+ssMOQUTD7M_k287DvJ3gEpQwaGCv7c=L5bF6t_EcxiwLCUtw@mail.gmail.com>
Message-ID: <1446650117227-4714351.post@n4.nabble.com>

Hi,
The result is : "F"     "F"     "ERROR"    "ERROR"    "F"     "ERROR"  

but it should be : "F"     "F"     "M"    "M"    "F"     "E" !! 



--
View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329p4714351.html
Sent from the datatable-help mailing list archive at Nabble.com.

From hamza_essid at hotmail.fr  Wed Nov  4 16:18:20 2015
From: hamza_essid at hotmail.fr (Ash111)
Date: Wed, 4 Nov 2015 07:18:20 -0800 (PST)
Subject: [datatable-help] R - Comparison
In-Reply-To: <1446650117227-4714351.post@n4.nabble.com>
References: <1446631295976-4714329.post@n4.nabble.com>
 <CA+ssMOQUTD7M_k287DvJ3gEpQwaGCv7c=L5bF6t_EcxiwLCUtw@mail.gmail.com>
 <1446650117227-4714351.post@n4.nabble.com>
Message-ID: <1446650300039-4714352.post@n4.nabble.com>

Now it's working 
Thank you :-) 



--
View this message in context: http://r.789695.n4.nabble.com/R-Comparison-tp4714329p4714352.html
Sent from the datatable-help mailing list archive at Nabble.com.

From t.jonesd289 at gmail.com  Thu Nov  5 04:05:07 2015
From: t.jonesd289 at gmail.com (tjonesd289)
Date: Wed, 4 Nov 2015 19:05:07 -0800 (PST)
Subject: [datatable-help] For each row,
	aggregate an external vector based on a column value
Message-ID: <1446692707898-4714376.post@n4.nabble.com>

Hello,

Say I have data.table:  
>> dt <- data.table(a = c(as.Date('2014-01-01'),
>> as.Date('2014-06-01'),as.Date('2014-12-31')))  
and a vector of dates:  
>> my.dates <-
>> sapply(c('2014-02-21','2014-04-03','2014-10-21','2015-01-20'), as.Date)  
  
In dt, I want to create a column (b) with the number of items in my.dates
that are on or before the date given in dt$a. In the above example, the
result would be:  
>> print(dt$b)  
0 2 3  
   
The following two methods work outside a data.table:  
>> d1 = as.Date('2014-06-01')  
>> length(which(my.dates <= d1))   
2  
  
>> d2 = as.Date('2014-12-31')  
>> sum(my.dates <= d2)  
3  
  
However, I cannot get either of these to work inside of data.table.  
When I do:  
>> dt[, b:=sum((my.dates)<=a)] # or dt[, b:=length(which((my.dates)<=a))]  
Warning message:  
In `<.default`((my.dates), a) :  
  longer object length is not a multiple of shorter object length  
>> print(dt$b)  
2 2 2  
  
Can anyone advise an easy way to do this?  
  
I was thinking I might first have to move the vector into it's own column in
the data.table, but am not sure how I would even do that.  
  
Thanks!  
-TJ



--
View this message in context: http://r.789695.n4.nabble.com/For-each-row-aggregate-an-external-vector-based-on-a-column-value-tp4714376.html
Sent from the datatable-help mailing list archive at Nabble.com.

From fperickson at wisc.edu  Thu Nov  5 05:50:05 2015
From: fperickson at wisc.edu (Frank Erickson)
Date: Wed, 4 Nov 2015 23:50:05 -0500
Subject: [datatable-help] For each row,
 aggregate an external vector based on a column value
In-Reply-To: <1446692707898-4714376.post@n4.nabble.com>
References: <1446692707898-4714376.post@n4.nabble.com>
Message-ID: <CAJd-hdmVa-aCjdO=W_dSCwL3r1VgyTZ7F6zUCb1NDK_3wUufZA@mail.gmail.com>

First, I guess you should not create my.dates that way, rather

my.dates = as.Date(c('2014-02-21','2014-04-03','2014-10-21','2015-01-20'))

If you compare str(my.dates) this way and your way, you'll see that sapply
refuses to return a Date-class object (as documented in the "Value" section
of ?sapply).

For the column, I'd do:

dt[, b := findInterval(a, sort(my.dates))]

though this approach is not data.table-specific.

By the way, the >> at the start of each line makes it annoying to
copy-paste your code.

On Wed, Nov 4, 2015 at 10:05 PM, tjonesd289 <t.jonesd289 at gmail.com> wrote:

> Hello,
>
> Say I have data.table:
> >> dt <- data.table(a = c(as.Date('2014-01-01'),
> >> as.Date('2014-06-01'),as.Date('2014-12-31')))
> and a vector of dates:
> >> my.dates <-
> >> sapply(c('2014-02-21','2014-04-03','2014-10-21','2015-01-20'), as.Date)
>
> In dt, I want to create a column (b) with the number of items in my.dates
> that are on or before the date given in dt$a. In the above example, the
> result would be:
> >> print(dt$b)
> 0 2 3
>
> The following two methods work outside a data.table:
> >> d1 = as.Date('2014-06-01')
> >> length(which(my.dates <= d1))
> 2
>
> >> d2 = as.Date('2014-12-31')
> >> sum(my.dates <= d2)
> 3
>
> However, I cannot get either of these to work inside of data.table.
> When I do:
> >> dt[, b:=sum((my.dates)<=a)] # or dt[, b:=length(which((my.dates)<=a))]
> Warning message:
> In `<.default`((my.dates), a) :
>   longer object length is not a multiple of shorter object length
> >> print(dt$b)
> 2 2 2
>
> Can anyone advise an easy way to do this?
>
> I was thinking I might first have to move the vector into it's own column
> in
> the data.table, but am not sure how I would even do that.
>
> Thanks!
> -TJ
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/For-each-row-aggregate-an-external-vector-based-on-a-column-value-tp4714376.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151104/6a19f153/attachment-0001.html>

From clark9876 at airquality.dk  Thu Nov  5 10:45:02 2015
From: clark9876 at airquality.dk (Douglas Clark)
Date: Thu, 5 Nov 2015 01:45:02 -0800 (PST)
Subject: [datatable-help] R function
In-Reply-To: <1446567806247-4714299.post@n4.nabble.com>
References: <1446567806247-4714299.post@n4.nabble.com>
Message-ID: <1446716702533-4714387.post@n4.nabble.com>

A data.table way to do this could be:

library(data.table)
x = c(10, 25, 4, 10, 9, 4, 4)
DT <- data.table(x)
DT
#     x
# 1: 10
# 2: 25
# 3:  4
# 4: 10
# 5:  9
# 6:  4
# 7:  4

# create a new column y as the count in each group defined by x
DT[, y := .N, by = x]
DT
#     x y
# 1: 10 2
# 2: 25 1
# 3:  4 3
# 4: 10 2
# 5:  9 1
# 6:  4 3

# you can then either directly use DT$y
DT$y
# [1] 2 1 3 2 1 3 3
# or extract the y column to a separate vector y
y <- DT[, y]
y
# [1] 2 1 3 2 1 3 3

# or all of the above in one line:
y <- data.table(x = c(10, 25, 4, 10, 9, 4, 4) )[, y := .N, by = x][, y]
y
# [1] 2 1 3 2 1 3 3




--
View this message in context: http://r.789695.n4.nabble.com/R-function-tp4714299p4714387.html
Sent from the datatable-help mailing list archive at Nabble.com.

From hamza_essid at hotmail.fr  Thu Nov  5 11:03:53 2015
From: hamza_essid at hotmail.fr (Xena222)
Date: Thu, 5 Nov 2015 02:03:53 -0800 (PST)
Subject: [datatable-help] KNN
Message-ID: <1446717833006-4714388.post@n4.nabble.com>

Hello everyone, 

I have a database that contains IP addresses, time of connection for every
client and the number of connections for each one .. 
here is an example :   

 

I want to do a classification using KNN clustering and build a model that
recognizes the attempts of attack 
( attempt of attack = High number of connection ) 
I'm beginner with R language and I do not know how to do that !! 

someone can help me please !!



--
View this message in context: http://r.789695.n4.nabble.com/KNN-tp4714388.html
Sent from the datatable-help mailing list archive at Nabble.com.

From hamza_essid at hotmail.fr  Thu Nov  5 11:05:06 2015
From: hamza_essid at hotmail.fr (Xena222)
Date: Thu, 5 Nov 2015 02:05:06 -0800 (PST)
Subject: [datatable-help] KNN
Message-ID: <1446717906590-4714390.post@n4.nabble.com>

Hello everyone, 

I have a database that contains IP addresses, time of connection for every
client and the number of connections for each one .. 
here is an example :   

<http://r.789695.n4.nabble.com/file/n4714390/Capture.png> 

I want to do a classification using KNN clustering and build a model that
recognizes the attempts of attack 
( attempt of attack = High number of connection ) 
I'm beginner with R language and I do not know how to do that !! 

someone can help me please !!



--
View this message in context: http://r.789695.n4.nabble.com/KNN-tp4714390.html
Sent from the datatable-help mailing list archive at Nabble.com.

From hamza_essid at hotmail.fr  Thu Nov  5 11:06:05 2015
From: hamza_essid at hotmail.fr (Xena222)
Date: Thu, 5 Nov 2015 02:06:05 -0800 (PST)
Subject: [datatable-help] R function
In-Reply-To: <1446716702533-4714387.post@n4.nabble.com>
References: <1446567806247-4714299.post@n4.nabble.com>
 <1446716702533-4714387.post@n4.nabble.com>
Message-ID: <1446717965217-4714391.post@n4.nabble.com>

Thank you Douglas :-) 



--
View this message in context: http://r.789695.n4.nabble.com/R-function-tp4714299p4714391.html
Sent from the datatable-help mailing list archive at Nabble.com.

From clark9876 at airquality.dk  Thu Nov  5 16:32:51 2015
From: clark9876 at airquality.dk (Douglas Clark)
Date: Thu, 5 Nov 2015 07:32:51 -0800 (PST)
Subject: [datatable-help] fread with multi-line character vector input
In-Reply-To: <etPan.563795dd.6109b8bc.2ea@dragonfly>
References: <1446073541400-4714096.post@n4.nabble.com>
 <etPan.563795dd.6109b8bc.2ea@dragonfly>
Message-ID: <1446737571162-4714398.post@n4.nabble.com>

This is now added as a feature request on GitHub:  Issue #1423: [Request] add
text= argument to fread, to read from multi-line character vectors
<https://github.com/Rdatatable/data.table/issues/1423>  



--
View this message in context: http://r.789695.n4.nabble.com/fread-with-multi-line-character-vector-input-tp4714096p4714398.html
Sent from the datatable-help mailing list archive at Nabble.com.

From aragorn168b at gmail.com  Thu Nov  5 20:57:53 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Thu, 5 Nov 2015 20:57:53 +0100
Subject: [datatable-help] fread with multi-line character vector input
In-Reply-To: <1446737571162-4714398.post@n4.nabble.com>
References: <1446073541400-4714096.post@n4.nabble.com>
 <etPan.563795dd.6109b8bc.2ea@dragonfly>
 <1446737571162-4714398.post@n4.nabble.com>
Message-ID: <etPan.563bb4df.33f0de81.176@dragonfly>

@Douglas, thank you!

--?
Arun

On 5 November 2015 at 16:46:15, Douglas Clark (clark9876 at airquality.dk) wrote:

This is now added as a feature request on GitHub: Issue #1423: [Request] add  
text= argument to fread, to read from multi-line character vectors  
<https://github.com/Rdatatable/data.table/issues/1423>  



--  
View this message in context: http://r.789695.n4.nabble.com/fread-with-multi-line-character-vector-input-tp4714096p4714398.html  
Sent from the datatable-help mailing list archive at Nabble.com.  
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151105/2953d9fe/attachment.html>

From t.jonesd289 at gmail.com  Thu Nov  5 20:58:10 2015
From: t.jonesd289 at gmail.com (tjonesd289)
Date: Thu, 5 Nov 2015 11:58:10 -0800 (PST)
Subject: [datatable-help] For each row,
 aggregate an external vector based on a column value
In-Reply-To: <CAJd-hdmVa-aCjdO=W_dSCwL3r1VgyTZ7F6zUCb1NDK_3wUufZA@mail.gmail.com>
References: <1446692707898-4714376.post@n4.nabble.com>
 <CAJd-hdmVa-aCjdO=W_dSCwL3r1VgyTZ7F6zUCb1NDK_3wUufZA@mail.gmail.com>
Message-ID: <1446753490817-4714413.post@n4.nabble.com>

Many thanks - worked like a charm!

I use the >>'s to distinguish stdin from stdout in the shell -- sorry for
the hassle!



--
View this message in context: http://r.789695.n4.nabble.com/For-each-row-aggregate-an-external-vector-based-on-a-column-value-tp4714376p4714413.html
Sent from the datatable-help mailing list archive at Nabble.com.

From sgrioni at chicagobooth.edu  Sun Nov  8 20:41:40 2015
From: sgrioni at chicagobooth.edu (Stefano Grioni)
Date: Sun, 8 Nov 2015 19:41:40 +0000
Subject: [datatable-help] Pivot part of a data table
Message-ID: <CAK78V4POa8fsinqQ_p60LPmXX-4vve0xfgbtvt5dMEHPKKzAEQ@mail.gmail.com>

Hello,

I am new to R and trying to understand how data manipulation works. I have
a CSV file which allows me to build a data table that looks like the
following (simplified example):

>db
   names ages grade_spring_quarter grade_summer_quarter
1:  John   24                    A                   A+
2: Steve   16                   B+                    B
3: Peter   12                    C                   B+

Now, my goal is to denormalize the data table in order to transform the
last 2 columns in rows, therefore obtaining the following:

> db2
   names ages quarter grades
1:  John   24  spring      A
2: Steve   16  spring     B+
3: Peter   12  spring      C
4:  John   24  summer     A+
5: Steve   16  summer      B
6: Peter   12  summer     B+

I think that I would be able to do it using for loops, but I doubt that's
the most efficient way. I have started looking into the Join functionality
of data table but so far didn't manage to build db2 from db that way.

Do you see how I could proceed?

Many thanks

Stefano
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151108/bec74103/attachment.html>

From aragorn168b at gmail.com  Sun Nov  8 20:44:07 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Sun, 8 Nov 2015 20:44:07 +0100
Subject: [datatable-help] Pivot part of a data table
In-Reply-To: <CAK78V4POa8fsinqQ_p60LPmXX-4vve0xfgbtvt5dMEHPKKzAEQ@mail.gmail.com>
References: <CAK78V4POa8fsinqQ_p60LPmXX-4vve0xfgbtvt5dMEHPKKzAEQ@mail.gmail.com>
Message-ID: <etPan.563fa625.6e40a283.176@dragonfly>

Hi, have a look at `?melt` and the reshaping vignette:?https://github.com/Rdatatable/data.table/wiki/Getting-started


--?
Arun

On 8 November 2015 at 20:42:05, Stefano Grioni (sgrioni at chicagobooth.edu) wrote:

Hello,

I am new to R and trying to understand how data manipulation works. I have a CSV file which allows me to build a data table that looks like the following (simplified example):

>db
? ?names ages grade_spring_quarter grade_summer_quarter
1: ?John ? 24 ? ? ? ? ? ? ? ? ? ?A ? ? ? ? ? ? ? ? ? A+
2: Steve ? 16 ? ? ? ? ? ? ? ? ? B+ ? ? ? ? ? ? ? ? ? ?B
3: Peter ? 12 ? ? ? ? ? ? ? ? ? ?C ? ? ? ? ? ? ? ? ? B+

Now, my goal is to denormalize the data table in order to transform the last 2 columns in rows, therefore obtaining the following:

> db2
? ?names ages quarter grades
1: ?John ? 24 ?spring ? ? ?A
2: Steve ? 16 ?spring ? ? B+
3: Peter ? 12 ?spring ? ? ?C
4: ?John ? 24 ?summer ? ? A+
5: Steve ? 16 ?summer ? ? ?B
6: Peter ? 12 ?summer ? ? B+

I think that I would be able to do it using for loops, but I doubt that's the most efficient way. I have started looking into the Join functionality of data table but so far didn't manage to build db2 from db that way.?

Do you see how I could proceed??

Many thanks

Stefano
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151108/7986453b/attachment.html>

From sgrioni at chicagobooth.edu  Mon Nov  9 02:32:23 2015
From: sgrioni at chicagobooth.edu (Stefano Grioni)
Date: Mon, 9 Nov 2015 01:32:23 +0000
Subject: [datatable-help] Pivot part of a data table
In-Reply-To: <etPan.563fa625.6e40a283.176@dragonfly>
References: <CAK78V4POa8fsinqQ_p60LPmXX-4vve0xfgbtvt5dMEHPKKzAEQ@mail.gmail.com>
 <etPan.563fa625.6e40a283.176@dragonfly>
Message-ID: <CAK78V4OQY3FY0tBk7dStL1xoCi_B69MWthijYS47fAnxEPqpjg@mail.gmail.com>

Thanks Arun, it worked!

Here is my code, in case someone has the same question:

names = c("John", "Steve", "Peter")
ages = c(24,16,12)
grade_spring_quarter = c("A","B+", "C")
grade_summer_quarter = c("A+","B", "B+")
gift_spring_quarter = c("A gift","B+ gift", "C gift")
gift_summer_quarter = c("A+ gift","B gift", "B+ gift")

db <-
data.table(names,ages,grade_spring_quarter,grade_summer_quarter,gift_spring_quarter,gift_summer_quarter)

db.M <- melt(db, measure = patterns("^grade","^gift"), variable.name="quarter",
value.name=c("grades","gifts"))

Cheers,

Stefano

On Sun, Nov 8, 2015 at 1:44 PM Arunkumar Srinivasan <aragorn168b at gmail.com>
wrote:

> Hi, have a look at `?melt` and the reshaping vignette:
> https://github.com/Rdatatable/data.table/wiki/Getting-started
>
>
> --
> Arun
>
> On 8 November 2015 at 20:42:05, Stefano Grioni (sgrioni at chicagobooth.edu)
> wrote:
>
> Hello,
>
> I am new to R and trying to understand how data manipulation works. I have
> a CSV file which allows me to build a data table that looks like the
> following (simplified example):
>
> >db
>    names ages grade_spring_quarter grade_summer_quarter
> 1:  John   24                    A                   A+
> 2: Steve   16                   B+                    B
> 3: Peter   12                    C                   B+
>
> Now, my goal is to denormalize the data table in order to transform the
> last 2 columns in rows, therefore obtaining the following:
>
> > db2
>    names ages quarter grades
> 1:  John   24  spring      A
> 2: Steve   16  spring     B+
> 3: Peter   12  spring      C
> 4:  John   24  summer     A+
> 5: Steve   16  summer      B
> 6: Peter   12  summer     B+
>
> I think that I would be able to do it using for loops, but I doubt that's
> the most efficient way. I have started looking into the Join functionality
> of data table but so far didn't manage to build db2 from db that way.
>
> Do you see how I could proceed?
>
> Many thanks
>
> Stefano
>
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151109/b117b685/attachment.html>

From sgrioni at chicagobooth.edu  Mon Nov  9 02:43:36 2015
From: sgrioni at chicagobooth.edu (Stefano Grioni)
Date: Mon, 9 Nov 2015 01:43:36 +0000
Subject: [datatable-help] Update on auto-join
Message-ID: <CAK78V4NjKJReRPfQdwbe-BoWZY+ELUzyK-FcZYTA44=0nK62cQ@mail.gmail.com>

Hello,

As I was reading through the vignette on data handling and joins, it was
not immediately evident to me how to do an update on auto-join using only
data table.

I have managed to do what I need using by using SQL, but I don't find it
particularly elegant and performance will probably be terrible on large
datasets:

tmp <- sqldf("select a.Field1, a.Field2, a.Field3, b.Output from MyDataset
a INNER JOIN MyDataset b on a.Field1 =b.Field1 and *a.Field2 = b.Field2+1*
and a.Field3=b.Field3")
tmp <- as.data.table(tmp)
setkey(MyDataset, Field1, Field2, Field3)
setkey(tmp, Field1, Field2, Field3)
MyDataset[tmp,Field4 := i.Output, nomatch=0]

I tried to do the same using twice the same data frame but I can't see how
to integrate the join condition on Field2 (see above).

Is there an elegant way to address this?

Many thanks

Stefano
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151109/3742e8ca/attachment-0001.html>

From aragorn168b at gmail.com  Wed Nov 11 15:45:31 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Wed, 11 Nov 2015 15:45:31 +0100
Subject: [datatable-help] Update on auto-join
In-Reply-To: <CAK78V4NjKJReRPfQdwbe-BoWZY+ELUzyK-FcZYTA44=0nK62cQ@mail.gmail.com>
References: <CAK78V4NjKJReRPfQdwbe-BoWZY+ELUzyK-FcZYTA44=0nK62cQ@mail.gmail.com>
Message-ID: <DB5279DB-A70D-40A5-89B2-03631A3DD854@gmail.com>

Joins vignettes aren't done yet ?. It is planned for v1.9.8. Will work on it after wrapping up things I am working on now.

Arun
--
Sent from my iPhone

> On 09 Nov 2015, at 02:43, Stefano Grioni <sgrioni at chicagobooth.edu> wrote:
> 
> Hello,
> 
> As I was reading through the vignette on data handling and joins, it was not immediately evident to me how to do an update on auto-join using only data table.
> 
> I have managed to do what I need using by using SQL, but I don't find it particularly elegant and performance will probably be terrible on large datasets:
> 
> tmp <- sqldf("select a.Field1, a.Field2, a.Field3, b.Output from MyDataset a INNER JOIN MyDataset b on a.Field1 =b.Field1 and a.Field2 = b.Field2+1and a.Field3=b.Field3")
> tmp <- as.data.table(tmp)
> setkey(MyDataset, Field1, Field2, Field3)
> setkey(tmp, Field1, Field2, Field3)
> MyDataset[tmp,Field4 := i.Output, nomatch=0]
> 
> I tried to do the same using twice the same data frame but I can't see how to integrate the join condition on Field2 (see above).
> 
> Is there an elegant way to address this?
> 
> Many thanks
> 
> Stefano
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151111/e1fc39d0/attachment.html>

From Mat_eil04 at hotmail.com  Wed Nov 11 15:48:24 2015
From: Mat_eil04 at hotmail.com (matts_91)
Date: Wed, 11 Nov 2015 06:48:24 -0800 (PST)
Subject: [datatable-help] Rplot for Correspondence Analisys
Message-ID: <1447253304450-4714571.post@n4.nabble.com>

Hi,

I'm making some Rplots for correspondence analisys, and the problem I have
is that the names of each point, are too far away from the point. So it's
difficult to see what name correspond to each point.

I leave a image for you to see what I trying to mean:

<http://r.789695.n4.nabble.com/file/n4714571/Captura_de_pantalla_2015-11-11_11.png> 

The command I'm using is the following:
plot(ca(Matriz), 
     map="rowprincipal")

So I have no way of modifying parameters.

Is there a way of making the graph in a more properly way, in where the
names are closer to the corresponding point?

Thank you very much in advance.
Regards,
Matias



--
View this message in context: http://r.789695.n4.nabble.com/Rplot-for-Correspondence-Analisys-tp4714571.html
Sent from the datatable-help mailing list archive at Nabble.com.

From caneff at gmail.com  Wed Nov 11 16:04:25 2015
From: caneff at gmail.com (Chris Neff)
Date: Wed, 11 Nov 2015 15:04:25 +0000
Subject: [datatable-help] Rplot for Correspondence Analisys
In-Reply-To: <1447253304450-4714571.post@n4.nabble.com>
References: <1447253304450-4714571.post@n4.nabble.com>
Message-ID: <CAAuY0RWB=GJCN4T9jo0_n4D5v6d_jb9-ViDEwUAfRVdLpHeKKA@mail.gmail.com>

This is not a general r help mailing list. This is for the data.table
package only.

On Wed, Nov 11, 2015 at 10:02 AM matts_91 <Mat_eil04 at hotmail.com> wrote:

> Hi,
>
> I'm making some Rplots for correspondence analisys, and the problem I have
> is that the names of each point, are too far away from the point. So it's
> difficult to see what name correspond to each point.
>
> I leave a image for you to see what I trying to mean:
>
> <
> http://r.789695.n4.nabble.com/file/n4714571/Captura_de_pantalla_2015-11-11_11.png
> >
>
> The command I'm using is the following:
> plot(ca(Matriz),
>      map="rowprincipal")
>
> So I have no way of modifying parameters.
>
> Is there a way of making the graph in a more properly way, in where the
> names are closer to the corresponding point?
>
> Thank you very much in advance.
> Regards,
> Matias
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Rplot-for-Correspondence-Analisys-tp4714571.html
> Sent from the datatable-help mailing list archive at Nabble.com.
> _______________________________________________
> datatable-help mailing list
> datatable-help at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151111/d7b62ec6/attachment.html>

From alboukadel.kassambara at gmail.com  Sat Nov 14 20:06:36 2015
From: alboukadel.kassambara at gmail.com (pe@rson)
Date: Sat, 14 Nov 2015 11:06:36 -0800 (PST)
Subject: [datatable-help] Rplot for Correspondence Analisys
In-Reply-To: <1447253304450-4714571.post@n4.nabble.com>
References: <1447253304450-4714571.post@n4.nabble.com>
Message-ID: <1447527996776-4714675.post@n4.nabble.com>

The following tutorials might be helpful:

1.  Correspondence Analysis in R: The Ultimate Guide for the Analysis, the
Visualization and the Interpretation
<http://www.sthda.com/english/wiki/correspondence-analysis-in-r-the-ultimate-guide-for-the-analysis-the-visualization-and-the-interpretation-r-software-and-data-mining>  

2.  ca package and factoextra : Correspondence Analysis
<http://www.sthda.com/english/wiki/ca-package-and-factoextra-correspondence-analysis-r-software-and-data-mining>  

3.  ade4 and factoextra : Correspondence Analysis
<http://www.sthda.com/english/wiki/ade4-and-factoextra-correspondence-analysis-r-software-and-data-mining>  

Good Luck!
PK





--
View this message in context: http://r.789695.n4.nabble.com/Rplot-for-Correspondence-Analisys-tp4714571p4714675.html
Sent from the datatable-help mailing list archive at Nabble.com.

From Mat_eil04 at hotmail.com  Sun Nov 15 23:52:58 2015
From: Mat_eil04 at hotmail.com (matts_91)
Date: Sun, 15 Nov 2015 14:52:58 -0800 (PST)
Subject: [datatable-help] Rplot for Correspondence Analisys
In-Reply-To: <1447527996776-4714675.post@n4.nabble.com>
References: <1447253304450-4714571.post@n4.nabble.com>
 <1447527996776-4714675.post@n4.nabble.com>
Message-ID: <BLU180-W813E523E6E7BBCC8C5AC5D8C1F0@phx.gbl>

Thank you !

Date: Sat, 14 Nov 2015 11:06:37 -0800
From: ml-node+s789695n4714675h87 at n4.nabble.com
To: Mat_eil04 at hotmail.com
Subject: Re: Rplot for Correspondence Analisys



	The following tutorials might be helpful:


1.  Correspondence Analysis in R: The Ultimate Guide for the Analysis, the Visualization and the Interpretation 

2.  ca package and factoextra : Correspondence Analysis

3. ade4 and factoextra : Correspondence Analysis 

Good Luck!

PK




	
	
	
	

	

	
	
		If you reply to this email, your message will be added to the discussion below:
		http://r.789695.n4.nabble.com/Rplot-for-Correspondence-Analisys-tp4714571p4714675.html
	
	
		
		To unsubscribe from Rplot for Correspondence Analisys, click here.

		NAML
	 		 	   		  



--
View this message in context: http://r.789695.n4.nabble.com/Rplot-for-Correspondence-Analisys-tp4714571p4714699.html
Sent from the datatable-help mailing list archive at Nabble.com.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151115/9c62beb0/attachment.html>

From orlovoleh at gmail.com  Wed Nov 25 18:07:43 2015
From: orlovoleh at gmail.com (mahadev)
Date: Wed, 25 Nov 2015 09:07:43 -0800 (PST)
Subject: [datatable-help] hetcor error when variables are more than 30
Message-ID: <1448471263880-4715010.post@n4.nabble.com>

Hello friends,

I'm trying to do a factor analysis of a questionnaire of 243 items with
YES/NO (1/0) type answers. That's why I need a polychoric correlation
matrix. I'm trying to use hetcor() function from "polychor" package:

e <- read.xlsx2(file="ukon_1.xlsx", sheetIndex = 1, as.data.frame="true")
#this is to load my binary data
e1 <- hetcor(e) #this is to generate correlation matrix

And I get an error:

Error in optim(0, f, control = control, hessian = TRUE, method = "BFGS") : 
  non-finite finite-difference value [1]

When I cut my data to up to 30 variables, everything is fine - I get a
correlation matrix. Any ideas how to fix that?

PS Sorry for my English - it's not my native language =(



--
View this message in context: http://r.789695.n4.nabble.com/hetcor-error-when-variables-are-more-than-30-tp4715010.html
Sent from the datatable-help mailing list archive at Nabble.com.

From aragorn168b at gmail.com  Wed Nov 25 19:00:56 2015
From: aragorn168b at gmail.com (Arunkumar Srinivasan)
Date: Wed, 25 Nov 2015 19:00:56 +0100
Subject: [datatable-help] hetcor error when variables are more than 30
In-Reply-To: <1448471263880-4715010.post@n4.nabble.com>
References: <1448471263880-4715010.post@n4.nabble.com>
Message-ID: <etPan.5655f776.6ce1783c.1ac@dragonfly>

Hi, you?re on the wrong mailing list. This is the mailing list for R?s data.table package.

--?
Arun

On 25 November 2015 at 18:23:32, mahadev (orlovoleh at gmail.com) wrote:

Hello friends,  

I'm trying to do a factor analysis of a questionnaire of 243 items with  
YES/NO (1/0) type answers. That's why I need a polychoric correlation  
matrix. I'm trying to use hetcor() function from "polychor" package:  

e <- read.xlsx2(file="ukon_1.xlsx", sheetIndex = 1, as.data.frame="true")  
#this is to load my binary data  
e1 <- hetcor(e) #this is to generate correlation matrix  

And I get an error:  

Error in optim(0, f, control = control, hessian = TRUE, method = "BFGS") :  
non-finite finite-difference value [1]  

When I cut my data to up to 30 variables, everything is fine - I get a  
correlation matrix. Any ideas how to fix that?  

PS Sorry for my English - it's not my native language =(  



--  
View this message in context: http://r.789695.n4.nabble.com/hetcor-error-when-variables-are-more-than-30-tp4715010.html  
Sent from the datatable-help mailing list archive at Nabble.com.  
_______________________________________________  
datatable-help mailing list  
datatable-help at lists.r-forge.r-project.org  
https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20151125/f2086640/attachment.html>