Displaying 1 result from an estimated 1 matches for "tp15502655p15518599".
2008 Feb 15
5
Extract from matrix
Hi all.
I have certain problem with the extraction of data from matrices. I know how
extract elements from a matrix, but what I would like to do is to extract a
concrete number, not an element. For example if I have this matrix X:
[,1] [,2] [,3] [,4]
[1,] 3 13 23 33
[2,] 9 19 29 39
[3,] 10 20 30 40
I can do X[-2] or X[2] in order to eliminate the element of the