On Aug 16, 5:37 pm, Jah_Alarm <jah.al...@gmail.com> wrote: > hi, > > I need to generate a binary array with a specified average proportion > of 1s (e.g. [1 0 0 0 > > 0 1 0 0] has this proportion = 25%). In Matlab I run something like > random(m,n)<p where p is the value > > between 0 and 1. I'm trying to use random.randint(0,2,size=[m,n]), but > I don't understand how to specify this proportion p.
Try this: >>> from random import random >>> [1 if random() < 0.25 else 0 for i in range(20)] [0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Raymond -- http://mail.python.org/mailman/listinfo/python-list
