From hpages at fredhutch.org  Wed Nov 22 03:23:40 2017
From: hpages at fredhutch.org (=?ISO-8859-1?Q?Herv=E9_Pag=E8s?=)
Date: Tue, 21 Nov 2017 18:23:40 -0800
Subject: [Rd] `[<-.data.frame` sets rownames incorrectly
In-Reply-To: <5A14DECF.1080500@fredhutch.org>
References: <5A14DECF.1080500@fredhutch.org>
Message-ID: <5A14DFAC.90201@fredhutch.org>

On 11/21/2017 06:19 PM, Herv? Pag?s wrote:
> Hi,
>
> Here is another problem with data frame subsetting:
>
>    > df <- data.frame(aa=1:3)
>    > value <- data.frame(aa=11:12, row.names=c("A", "B"))
>
>    > `[<-`(df, 4:5, , value=value)
>      aa
>    1  1
>    2  2
>    3  3
>    A 11
>    B 12
>
>    > `[<-`(df, 5:4, , value=value)
>      aa
>    1  1
>    2  2
>    3  3
>    B 12
>    A 11

This actually produces:

   > `[<-`(df, 5:4, , value=value)
     aa
   1  1
   2  2
   3  3
   A 12
   B 11

but should instead produce:

     aa
   1  1
   2  2
   3  3
   B 12
   A 11

sorry for the confusion.

H.

>
> For this last result, the rownames of the 2 last rows should
> be swapped.
>
> H.
>

-- 
Herv? Pag?s

Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
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P.O. Box 19024
Seattle, WA 98109-1024

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[Rd] `[<-.data.frame` sets rownames incorrectly
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