questions anon wrote: > I have been going round in circles trying to solve something that sounds > simple. I have a huge array and I would like to reclassify the values. > Firstly just make them zeros and ones, for example if the values in the > array are less than 100 make them 0 and if greater than 100 make them 1. > And then finally sum them together. > I have attempted a few methods, see code below. Any feedback will be > greatly appreciated.
>>> import numpy >>> all_FFDI = numpy.arange(60).reshape((3,4,5)) >>> all_FFDI array([[[ 0, 1, 2, 3, 4], [ 5, 6, 7, 8, 9], [10, 11, 12, 13, 14], [15, 16, 17, 18, 19]], [[20, 21, 22, 23, 24], [25, 26, 27, 28, 29], [30, 31, 32, 33, 34], [35, 36, 37, 38, 39]], [[40, 41, 42, 43, 44], [45, 46, 47, 48, 49], [50, 51, 52, 53, 54], [55, 56, 57, 58, 59]]]) >>> all_FFDI >= 25 array([[[False, False, False, False, False], [False, False, False, False, False], [False, False, False, False, False], [False, False, False, False, False]], [[False, False, False, False, False], [ True, True, True, True, True], [ True, True, True, True, True], [ True, True, True, True, True]], [[ True, True, True, True, True], [ True, True, True, True, True], [ True, True, True, True, True], [ True, True, True, True, True]]], dtype=bool) >>> (all_FFDI >= 25).sum() 35 _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor