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st: Integer values in Stata


From   Tim Evans <Tim.Evans@wmciu.nhs.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: Integer values in Stata
Date   Thu, 1 Sep 2011 11:02:28 +0100

Dear all,

I have a list of values in a column in Stata like so:

end
.2
.4
.6
.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
4.8
5

and I wish to only keep the whole number value i.e. 1,2,3,4,5 etc. and drop any non integer values. I there use the following code 

keep if int(end)

however, I still end up with the following values 

end
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
4.8
5
How do I ensure I only keep the whole numbers? Using the following would not be ideal (keep if inlist(end, 1,2,3,4,5)) as I may have a much longer list.

Best wishes

Tim

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