Hi,


I have a question about how to sort a matrix for multiple columns.


dat<-sample(0:1,1000,replace=T)

matrix(dat,ncol=5,nrow=200)->x


I want to order like the following:


x[order(x[,1],x[,2],x[,3],x[,4],x[,5]),]->x


My problem: the number of columns of the matrix to be sorted is variable, in
any way I would like to sort for all columns from 1:ncol(x). How to achieve
this?


Best


Maxim

	[[alternative HTML version deleted]]

