table(ifelse(A==2&B==3, TRUE, FALSE))
On 8/11/05, Renuka Sane <[EMAIL PROTECTED]> wrote: > I think there was an incomplete mail that was accidently sent by me. I > apologize for the inconvenience. Here is the full text. > > I have two variables. > A <- rep(c(1:9), 2) > B <- rep(c(2:10),2) > > I want to know the the value for > A==1 and B==1 > > If I do A== 1 | B==1, I get > FALSE TRUE > 16 2 > This is incorrect. > > Similarly table(A==1) +table(B==1) reports an error as the arrays are non > conformable. > > To solve the problem I therefore create a new variable > C <- c(A, B) > and then do table(C==1) which gives me > FALSE TRUE > 34 2 > > Is there a way to do this without making the new variable C? > > Thanks, > Renuka > > -- > Renuka Sane > http://www.nyx.net/~rsane > > [[alternative HTML version deleted]] > > ______________________________________________ > [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 > -- WenSui Liu (http://statcompute.blogspot.com) Senior Decision Support Analyst Cincinnati Children Hospital Medical Center ______________________________________________ [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
