Displaying 1 result from an estimated 1 matches for "tp3253674p3253698".
2011 Feb 02
2
Counter in a For Loop - Efficiency Issue
I have a 32000 x 14 matrix (M) where entry (x, y) corresponds to
person x at a discrete time y. I then have a matrix (M2) of 60000 x 2
where each entry is a an event by a person that is in the above 32000
and at a time that is in the range of the discrete time points above.
I want to populate the another matrix (M3) such that (x, y) is the
number of events of person x between times y-1 and y. This