Isn't that just an inefficient way to do
"age" == x
?
--
Sent from my phone. Please excuse my brevity.
On May 3, 2016 3:57:05 AM PDT, Ivan Calandra <ivan.calan...@univ-reims.fr>
wrote:
>What about?
>
>grep("^age$", x)
>
>Ivan
>
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>Ivan Calandra, PhD
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>University of Reims Champagne-Ardenne
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>
>Le 03/05/2016 à 12:38, Steven Yen a écrit :
>> Dear all
>> In the grep command below, is there a way to identify only "age" and
>> not "age2"? Thanks.
>>
>>> x<-c("abc","def","rst","xyz","age","age2")
>>> x
>> [1] "abc" "def" "rst" "xyz" "age" "age2"
>>> grep("age2",x)
>> [1] 6
>>> grep("age",x) # I need to grab "age" only, not "age2"
>> [1] 5 6
>>
>> Also, I post message to r-help@r-project.org and that's subject to
>> approval by the list moderator. Am I sending it to the wrong address?
>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>
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