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Posted By

adkatrit on 02/11/11


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statistics variance


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adkatrit


Variance

 / Published in: Python
 
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  1. def variance(vals):
  2. 	mean=float(sum(vals))/len(vals)
  3. 	s=sum([v-mean)**2 for v in vals])
  4. 	return s/len(vals)

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