search for: files_whirr_127

Hi, I have two matrix from two different .csv files. #load .csv files a <- as.matrix(read.table("Whirr_127.csv", header=T, sep=",", row.names=1)) b <- as.matrix(read.table("Files_Whirr_127.csv", header=T, sep=",", row.names=1)) a b I managed to do transpose to 'b' without any error. transpose_task <- t(b) transpose_task But, when I tried to do multiplication (a%*%transpose_task), an error occured. td <- (a%*%transpose_task) td Here is the error: ERRO...