[R] Replicate an SAS/SQL request

I am very confuse, I send with a wrong subject. All my Apologizes - De : Guibert TCHINDE Date d'envoi : jeudi 1 août 2013 18:51 À : r-help@r-project.org Cc : R help Objet : RE : [R] Conversion of matrix in r to integer Dear List, I am tryi

[R] RE : how to calculate the average values of each row in a matrix

> vec = matrix(data=round(rnorm(15,1,2)),ncol=3) > vec [,1] [,2] [,3] [1,]11 -1 [2,]62 -1 [3,]002 [4,]0 -3 -2 [5,]112 > rowMeans(vec) [1] 0.333 2.333 0.667 -1.667 1.333 > apply(vec,1,mean) [1] 0.333 2.333 0.