Hello! I have 2 vectors: x<-letters[1:5] y<-1:3 Is there a way - without loops - to create a data frame such that we repeat the whole "y" within each level of "x" so that it looks like this: a 1 a 2 a 3 b 1 b 2 b 3 c 1 c 2 c 3 etc? Thank you! -- Dimitri Liakhovitski Ninah Consulting www.ninah.com