__author__ = 'dell' import surveyimport Pmfimport matplotlib.pyplot as pyplot table = survey.Pregnancies()table.ReadRecords()print "Number of pregnancies ", len(table.records) firsts = survey.Pregnancies()others = survey.Pregnancies() for p in t
__author__ = 'dell' import Pmf import matplotlib.pyplot as pyplot pmf = Pmf.MakePmfFromList([1, 2, 2, 3, 5]) print 'Mean by Pmf ', pmf.Mean() print 'Var by Pmf ', pmf.Var() def PmfMean(pmf): t = [x * v for x, v in pmf.Items()] res = sum(t) return res