[Rd] Bug in subsetting data frame (PR#13515)

Stavros Macrakis macrakis at alum.mit.edu
Tue Feb 10 13:59:41 CET 2009


Don't know if this is the problem, but....

It is a bad idea to set data.frame <- xxx since R has a single
namespace for functions and variables.

        -s

On 2/10/09, xinlee883 at stat.math.ethz.ch <xinlee883 at stat.math.ethz.ch> wrote:
> Full_Name: Xin Lee
> Version: 2.8.0
> OS: Windows XP
> Submission from: (NULL) (193.200.150.23)
>
>
> Dear developer
>
> I discover annoying bug in subsetting data frame.  Here is reproducable
> examples:
>
>> data.frame <- data.frame(x = runif(5), y = runif(5), row.names =
> c('a','b','c','d','e')
>
>> subset <- data.frame['x']
>> subset['a',]
> work
>
>> subset <- data.frame$x
>> subset['a',]
> not work
>
>> subset <- data.frame['a',]
>> subset[,'x']
> work
>
>> subset <- data.frame[,'x']
>> subset['a',]
> not work
>
> I hope this is easy fix for you and works corectly soon.
>
> Sincerely,
> Xin Lee
>
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>



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