Hi:

"(note the space after "Infected")"

Since I lost a morning too with this issue, I am just curious, why is there a 
space? 

I know, it must be a dumb question, a reasonable programming rule, but that's 
my level :-)
 
mike


>________________________________
> From: Jorge I Velez <jorgeivanve...@gmail.com>
>To:Katarzyna Kulma <katarzyna.ku...@gmail.com> 
>Cc: R mailing list <r-help@r-project.org> 
>Sent: Friday, May 3, 2013 6:01 AM
>Subject: Re: [R] R does not subset
> 
>
>Hi Kasia,
>
>You need
>
>subset(REC2,  INFECTION=="Infected ")
>
>(note the space after "Infected").
>
>HTH,
>Jorge.-
>
>
>On Fri, May 3, 2013 at 7:48 PM, Katarzyna Kulma
><katarzyna.ku...@gmail.com>wrote:
>
>> Hi everyone,
>>
>> I know there have been several requests regarding subsetting before, but
>> none of them really helps with my problem:
>>
>> I'm trying to subset only infected individuals from the REC2 data.frame:
>>
>> > str(REC2)
>> 'data.frame':    362 obs. of  7 variables:
>>  $ RINGNO   : Factor w/ 370 levels "BL17546","BL17577",..: 78 81 67 41 58
>> 66 17
>>  $ year     : Factor w/ 8 levels "Y2002","Y2003",..: 1 2 1 2 1 1 2 1 1 3
>> ...
>>  $ ccFLEDGE : int  6 6 6 5 6 7 6 7 6 5 ...
>>  $ rec2012  : int  2 1 2 2 1 2 1 1 1 0 ...
>>  $ binage  : Factor w/ 2 levels "ad","juv": 1 2 1 1 1 1 1 1 1 1 ...
>>  $ INFECTION: Factor w/ 2 levels "Infected ","Uninfected ": 2 1 2 1 2 2 1 2
>> 2 1 ...
>>  $ all.rsLD : num  -4.62 -6.19 -3.62 -4.19 -2.62 ...
>>
>> using either
>>
>> RECinf<-REC2[which (REC2$INFECTION=="Infected"),]
>>
>> or
>>
>> RECinf<-subset(REC2,  INFECTION=="Infected")
>>
>> in both cases I get empty data frame (0 observations):
>>
>> > str(RECinf)
>> 'data.frame':    0 obs. of  7 variables:
>>  $ RINGNO   : Factor w/ 370 levels "BL17546","BL17577",..:
>>  $ year     : Factor w/ 8 levels "Y2002","Y2003",..:
>>  $ ccFLEDGE : int
>>  $ rec2012  : int
>>  $ binage  : Factor w/ 2 levels "ad","juv":
>>  $ INFECTION: Factor w/ 2 levels "Infected ","Uninfected ":
>>  $ all.rsLD : num
>>
>> When subsetting, R doesn't return any warning or error message. Besides, I
>> used same codes many times beforeand they worked perfectly well. Any ideas
>> why this case is different?
>>
>> Thanks for your help,
>> Kasia
>>
>>         [[alternative HTML version deleted]]
>>
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>    [[alternative HTML version deleted]]
>
>______________________________________________
>R-help@r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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>
>
>
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