Hi all,
I found something strange in scipy.stats.percentileofscore
In [1]: from scipy import *
In [2]: a = rand(10000)
In [3]: stats.percentileofscore(a,.2)
Out[3]: 20.0157565073
This OK.
In [4]: stats.percentileofscore(a,.0002)
Out[4]: 102.898311442
This is strange !!!!!
In [5]: stats.percentileofscore(a,1.4)
---------------------------------------------------------------------------
<type 'exceptions.IndexError'> Traceback (most recent call last)
/home/sgarcia/<ipython console> in <module>()
/usr/lib/python2.5/site-packages/scipy/stats/stats.py in
percentileofscore(a, score, histbins, defaultlimits)
942 cumhist = np.cumsum(h*1, axis=0)
943 i = int((score - lrl)/float(binsize))
--> 944 pct =
(cumhist[i-1]+((score-(lrl+binsize*i))/float(binsize))*h[i])/float(len(a))
* 100
945 return pct
946
<type 'exceptions.IndexError'>: index out of bounds
This does work...
Any idea.
Sam
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Samuel Garcia
Laboratoire de Neurosciences Sensorielles, Comportement, Cognition.
CNRS - UMR5020 - Universite Claude Bernard LYON 1
Equipe logistique et technique
50, avenue Tony Garnier
69366 LYON Cedex 07
FRANCE
Tél : 04 37 28 74 64
Fax : 04 37 28 76 01
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