[datatable-help] by=.EACHI and related - please check ok

[Eduard Antonyan]

Looks great!!

I think there were two extensions for this floating around, which are now
possible to have - one (I think suggested by Gabor?) was to have by=.EACHI
work with other types of i-expressions - simplest example would be d[, j,
by=.EACHI] doing the same as d[, j, by = 1:nrow(d)], and another one was to
be able to combine .EACHI with other by's, i.e. have smth like d[i, j, by =
list(.EACHI, somecol)] (this one is somewhat more exotic and doesn't have
an existing analogue afaik). Not sure if an FR for these exists.


On Thu, Mar 13, 2014 at 7:45 AM, Matt Dowle <mdowle at mdowle.plus.com> wrote:

>
> Not yet,  but yes NEWS says :
>
>
>     A "classic" option to restore the previous default behaviour is to be discussed and confirmed.
>
> Maybe :
>
>   options(datatable.bywithoutby = TRUE)
>
> is all that's needed.  Will do.
>
> Matt
>
>
>
> On 13/03/14 12:21, carrieromichele wrote:
>
> Cool! But I still remain a fan of the "by-without-by" :-)
>
> Is there a option to make the future stable version 1.9.4 to behave
> exactly as the 1.8.10? (same script same results)
>
> Thanks,
>
> Michele
>  On 13 Mar 2014 11:36, "Matt Dowle" <mdowle at mdowle.plus.com> wrote:
>
>>
>> Dear all,
>>
>> by=.EACHI is now implemented and available in v1.9.3 from R-Forge.
>>
>> Please take a look at NEWS and see what you think :
>>
>> https://r-forge.r-project.org/scm/viewvc.php/pkg/NEWS?view=markup&root=datatable
>>
>> Quite a few related bugs and feature requests get resolved by this, still
>> going through them updating NEWS and adding tests.  Thanks to all.
>>
>> The changes are very much up for debate and change at this stage.
>>
>> Matt
>>
>>
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>>
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>>
>
>
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