random.sample with large weighted sample-sets?
ned at nedbatchelder.com
Sun Feb 16 15:32:54 CET 2014
On 2/16/14 9:22 AM, Tim Chase wrote:
> 3) you meant to write "(10, 'apple')" rather than 0. With my original
> example code, a 0-probability shouldn't ever show up in the sampling,
> where it looks like it might when using this sample code. In my
> particular use case, I can limit/ensure that 0-probability items never
> appear in the list, filtering them upon loading.
Terry didn't state this explicitly, but he restructured your data to
have cumulative probabilities.
data = (
He turned it into:
data = [
Each number is the cumulative probability up to but not including the item.
Ned Batchelder, http://nedbatchelder.com
More information about the Python-list