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changeset 500:3b99d712bbee

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merged
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 09 May 2014 14:09:14 -0400
parents 0a93afea8243 (diff) ef4059f51af9 (current diff)
children c81cbd6953fb
files
diffstat 1 files changed, 6 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/python/utils.py	Mon May 05 23:17:46 2014 -0400
+++ b/python/utils.py	Fri May 09 14:09:14 2014 -0400
@@ -36,7 +36,12 @@
     return (k*stdev/tolerance)**2
 
 def confidenceInterval(mean, stdev, nSamples, percentConfidence, trueStd = True, printLatex = False):
-    'if trueStd, use normal distribution, otherwise, Student'
+    '''if trueStd, use normal distribution, otherwise, Student
+
+    Use otherwise t.interval or norm.interval
+    ex: norm.interval(0.95, loc = 0., scale = 2.3/sqrt(11))
+    t.interval(0.95, 10, loc=1.2, scale = 2.3/sqrt(nSamples))
+    loc is mean, scale is sigma/sqrt(n) (for Student, 10 is df)'''
     from math import sqrt
     from scipy.stats.distributions import norm, t
     if trueStd: