[datatable-help] Possible bug in 1.9.x versions

[Michele]

Hi, thanks for the quick response. Still nothing though. Using the .zip form
r-forge, at http://datatable.r-forge.r-project.org/data.table_1.9.2.zip,
doesn't give me errors like `object 'Cforder' not found
`, but the below join is still incorrect.

> remove.packages("data.table")
Removing package from ‘C:/Program Files/R/R-3.0.2/library’
(as ‘lib’ is unspecified)
> install.packages("C:/Users/MCarrie/Downloads/data.table_1.9.2.zip", repos
> = NULL)
Warning in install.packages :
  package ‘C:/Users/MCarrie/Downloads/data.table_1.9.2.zip’ is not available
(for R version 3.0.2)
package ‘data.table’ successfully unpacked and MD5 sums checked
> require(data.table)
Loading required package: data.table
data.table 1.9.2  For help type: help("data.table")
Warning message:
package ‘data.table’ was built under R version 3.1.0 
> test.data.table()
Running C:/Program Files/R/R-3.0.2/library/data.table/tests/tests.Rraw 
Loading required package: reshape2
Loading required package: reshape
Loading required package: plyr
Loading required package: ggplot2
Loading required package: hexbin
Loading required package: nlme
Loading required package: xts
Loading required package: zoo

Attaching package: ‘zoo’

The following objects are masked from ‘package:base’:

    as.Date, as.Date.numeric


Attaching package: ‘xts’

The following object is masked from ‘package:data.table’:

    last

Loading required package: bit64
Loading required package: gdata
gdata: read.xls support for 'XLS' (Excel 97-2004) files
gdata: ENABLED.

gdata: read.xls support for 'XLSX' (Excel 2007+) files
gdata: ENABLED.

Attaching package: ‘gdata’

The following object is masked from ‘package:stats’:

    nobs

The following object is masked from ‘package:utils’:

    object.size

Test 167.2 not run. If required call library(hexbin) first.
Don't know how to automatically pick scale for object of type ITime.
Defaulting to continuous
Don't know how to automatically pick scale for object of type ITime.
Defaulting to continuous
Tests 487 and 488 not run. If required call library(reshape) first.
Tests 897-899 not run. If required call library(bit64) first.
All 1220 tests in inst/tests/tests.Rraw completed ok in 22.115sec on Thu Feb
27 15:19:35 2014

library(data.table)
set.seed(1)

> dt <- data.table(id=rep(1:4, each=3),
+                  var1 = rep(letters[1:3], 4),
+                  var2 = rnorm(12),
+                  key="i ..." ... [TRUNCATED] 

> dt
    id var1       var2
 1:  1    a -0.6264538
 2:  1    b  0.1836433
 3:  1    c -0.8356286
 4:  2    a  1.5952808
 5:  2    b  0.3295078
 6:  2    c -0.8204684
 7:  3    a  0.4874291
 8:  3    b  0.7383247
 9:  3    c  0.5757814
10:  4    a -0.3053884
11:  4    b  1.5117812
12:  4    c  0.3898432

> key(dt)
[1] "id"   "var1"

> dt[.(unique(id)), list(var1, var2)]
    id var1       var2
 1:  1    a -0.6264538
 2:  1    a  0.1836433
 3:  1    a -0.8356286
 4:  2    a  1.5952808
 5:  2    a  0.3295078
 6:  2    a -0.8204684
 7:  3    a  0.4874291
 8:  3    a  0.7383247
 9:  3    a  0.5757814
10:  4    a -0.3053884
11:  4    a  1.5117812
12:  4    a  0.3898432



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