util.py 文件源码

def ttest(list1, list2):
   a1 = np.array(list1)
   a2 = np.array(list2)
   diff = a1 - a2
   t, prob = stats.ttest_rel(a1, a2)
   print np.mean(diff), np.std(diff), t, prob
   return np.mean(diff), np.std(diff), t, prob

#def ttest(arr1, arr2):
#   T, pvalue = stats.ttest_rel(arr1, arr2)
#   return T, pvalue