Many thanks Jeff. Got it working now.
-----Original Message-----
From: Jeff Newmiller [mailto:jdnew...@dcn.davis.ca.us]
Sent: Monday, 17 March 2014 3:21 PM
To: BEUTEL Terry S; r-help@r-project.org
Subject: Re: [R] assigning dataframes in an ifelse statement
Solution is to not use ifelse. Use if...else...
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Sent from my phone. Please excuse my brevity.
On March 16, 2014 9:58:25 PM PDT, BEUTEL Terry S <terry.beu...@daff.qld.gov.au>
wrote:
>Hi everyone.
>
>I have three dataframes (A, B and C). B and C are subsets of the rows
>of A, for example...
>
>> A<-as.data.frame(cbind(1:5,21:25))
>> A
> V1 V2
>1 1 21
>2 2 22
>3 3 23
>4 4 24
>5 5 25
>
>> B<-A[1:4,]
>> B
> V1 V2
>1 1 21
>2 2 22
>3 3 23
>4 4 24
>
>
>> C<-A[3:5,]
>> C
> V1 V2
>3 3 23
>4 4 24
>5 5 25
>
>
>
>I also have a single value called x
>> x<-2
>
>Basically I want to evaluate x and if it equals 2, then replace A with
>B, and otherwise replace A with C. However, when I attempt this, the
>new version of A is only a subset of the desired dataframe. For
>example.
>
>>
>> A<-ifelse(x==2,B,C)
>> A
>[[1]]
>[1] 1 2 3 4
>
>I'm sure this is simple, but haven't found a solution and would
>appreciate a tip.
>
>Thanks
>
>Terry Beutel
>
>
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