On 02-Nov-07 21:02:57, sigalit mangut-leiba wrote:
> Hello,
> I want to create a new variable which includes 4 age categories
> in this way:
> if (age>=12 && age<32) age1==1
> if (age>=32 && age<52) age1==2
> if (age>=52 && age<72) age1==3
> if (age>=72 && age<100) age1==4
>
> but I get the results only for the first observation.
>
> how can I apply this condition to all observations?
If A is a vector of ages, one way to do it would be
age1 <- 1*(A>=12)&(A<32) + 2*(A>=32)&(A<52) +
3*(A>=52)&(A<72) + 4*(A>=72)&(A<100)
Best wishes,
Ted.
--------------------------------------------------------------------
E-Mail: (Ted Harding) <[EMAIL PROTECTED]>
Fax-to-email: +44 (0)870 094 0861
Date: 02-Nov-07 Time: 22:33:48
------------------------------ XFMail ------------------------------
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.