David Kaplan wrote:
Greetings,

I am recoding a dummy variable (coded 1,0) so that 0 = 2. I am using the line

sciach$dummyba[sciach$ba==0] <- 2

I notice that it creates a new column dummyba, with 0 coded as 2 but with 1's now coded as NA. Is there a simple way around this in the line I am using, or do I need to have an additional line

sciach$dummyba[sciach$ba==1] <- 1

Thanks in advance.


David

Try sciach$dummyba <- ifelse(sciach$ba==0,2,1)


--
Kevin E. Thorpe
Biostatistician/Trialist, Knowledge Translation Program
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.tho...@utoronto.ca  Tel: 416.864.5776  Fax: 416.864.3016

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