[R] Rows index/colProds

Hi, Is there any function to replace colProds that finds column-wise products of a matrix? Or is there any other function that would give a better solution this problem ? I have a matrix and an array, example: > a GSM1.CEL GSM2.CEL GSM1.CEL 1_at 1

Re: [R] Rows index/colProds

Hi Henrik, My sessionInfo() is: R version 2.10.1 (2009-12-14) i386-pc-mingw32 locale: [1] LC_COLLATE=English_United States.1252 [2] LC_CTYPE=English_United States.1252 [3] LC_MONETARY=English_United States.1252 [4] LC_NUMERIC=C [5] LC_TIME=English_United States.1