[R] (no subject)

[John Kane]

I don't quite understand what you are looking for.  I originally thought that a simple subset would do it but I don't understand the selection criteria are for the output data file.s

Original idea:
want  <-  subset(dat1, dat1$var =="y")


John Kane
Kingston ON Canada


> -----Original Message-----
> From: valkremk at gmail.com
> Sent: Tue, 11 Feb 2014 08:26:39 -0500
> To: r-help at r-project.org
> Subject: [R] (no subject)
> 
> Hi all,
> I have a sample of data  set with variables day, ID,var and month:
> day ID var  Month
>   1 11  x March
>   1 11  x March
>   1 11  x April
>   1 11  y March
>   1 11  x March
>   1 11  y March
>   2 11  x March
>   2 11  y March
>   3 11  x March
>   3 11  y March
>   4 11  y March
> 
> In the above data set there are four unique days within ID. For example
> ID "11" has four records  on day 1 and if this ID has "y" in "March" then
> I
> want keep "y"  and discard "xs". Is it possible to keep them in two data
> sets ( wanted and unwanted)
> The output for wanted data set will be:
> 
> 1 11 y March
> 1 11 x April
> 1 11 y March
> 2 11 y March
> 3 11 y March
> 4 11 y March
> thanks in advance
> 
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