search for: maxofcolumns

Displaying 1 result from an estimated 1 matches for "maxofcolumns".

2007 May 08
4
minimum of each row in a matrix
...3, 5, 0, 4, 0, 0),ncol=4) > a=rbind(a,1:4) > a [,1] [,2] [,3] [,4] [1,] 0 1 2 0 [2,] 2 3 0 4 [3,] 0 0 3 0 [4,] 0 3 5 0 [5,] 1 2 3 4 > > minOfColumns=apply(a, 2, function(x) min(x[x!=0]) ) > minOfColumns [1] 1 1 2 4 > maxOfColumns=apply(a, 2, function(x) max(x) ) > maxOfColumns [1] 2 3 5 4 > How looks like the command for the minimum of the rows? I tried several possibilities with apply but did not get the wanted result. The result should be minOfRows = 0 0 0 0 1 Thanks, Corinna