Hi, I am wonder if there is a function similar 'apply' but it could accept multiple arguments?
For example, I have the following matrix. x=matrix(1:6,nr=2) y=matrix(1:6,nr=2) I want to find a function that can be used to compute the linear regression for each pair of rows in the two matrices? multiple_apply(x,y,1,function(u,v){lm(u ~ v)} That is, I wound like something like the above to compute the following. Can somebody let me know if there is such an command in R? lm(x[1,]~y[1,]) lm(x[2,]~y[2,]) Regards, Peng ______________________________________________ R-help@r-project.org 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.