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anthonygclark/stats.py

Created April 25, 2013 04:22
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Some python lambdas for standard deviation....
Raw
stats.py
median = lambda data: data[len(data)/2]
mean = lambda data: float(sum(data)/len(data))
hi_low = lambda data: (data[0], data[len(data)-1])
variance = lambda data, avg: sum([x**2 for x in [i-avg for i in data]])/float(len(data))
std_dev = lambda data: math.sqrt(variance(data, mean(data)))
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