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Sergio Rojas sergio_r@mail....
Wed Aug 1 08:58:17 CDT 2012


Dear all, The sentences bellow will always raise an Error or Exception just as follows, which is a little anomaly. Is this a bug? >>> u1=numpy.random.rand(100000) >>> u2=numpy.random.rand(100000) >>> scipy.stats.kendalltau(u1,u2) --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) /home/zfyuan/phd/paper1/pyvine_lap/<ipython-input-28-98f367090ed1> in <module>() ----> 1 sp.stats.kendalltau(u1,u2) /usr/lib64/python2.7/site-packages/scipy/stats/stats.pyc in kendalltau(x, y, initial_lexsort) 2673 2674 tau = ((tot - (v + u - t)) - 2.0 * exchanges) / \ -> 2675 np.sqrt((tot - u) * (tot - v)) 2676 2677 # what follows reproduces the ending of Gary Strangman's original AttributeError: sqrt -- Jeffrey ------------------------------ >>> import numpy as np >>> import scipy.stats >>> u1=np.random.rand(100000) >>> u2=np.random.rand(100000) >>> scipy.stats.kendalltau(u1,u2) (0.00094913269132691487, 0.65256243280384563) >>> np.version.version '1.6.1' >>> scipy.version.version '0.10.1' >>> import os >>> os.sys.version '2.7.2 (default, Apr 21 2012, 14:16:53) \n[GCC 4.6.1]' Sergio
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