[R-sig-Epi] help

BXC (Bendix Carstensen) bxc at steno.dk
Sun Nov 28 08:17:14 CET 2010


It sounds as if you are looking for something like

newvar <- as.numeric(var1=="yes")

or

newvar <- as.numeric(var1==1)

depending on whether var1 is numeric or character.

Best regards,
Bendix Carstensen

> -----Original Message-----
> From: r-sig-epi-bounces at r-project.org 
> [mailto:r-sig-epi-bounces at r-project.org] On Behalf Of Dr Khan 
> Amir Maroof
> Sent: 27. november 2010 16:31
> To: r-sig-epi at stat.math.ethz.ch
> Subject: [R-sig-Epi] help
> 
> Sir,
> 
> Its wonderful to start using this software R. I am making 
> full efforts to learn it on my own with the help of the free 
> online manuals available. I am using epicalc package in R. I 
> have a dataset where i want to apply conditions like... if 
> var1 is yes or 1, assign 1 to it or else 0. Can you help me 
> with this problem?
> 
> Thanking you,
> 
> --
> Dr. Khan Amir Maroof,
> Lecturer,
> Department of Community Medicine,
> University College of Medical Sciences & GTB Hospital, Delhi
> 
> 	[[alternative HTML version deleted]]
> 
> _______________________________________________
> R-sig-Epi at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-epi
> 


More information about the R-sig-Epi mailing list