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Function to calculate entropy using Python
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| import numpy as np | |
| def entropy(vals): | |
| sum=0.0 | |
| norm=0.0 | |
| for v in vals:norm+=v | |
| vals=[v/norm for v in vals] | |
| for v in vals:sum+=(v*np.log(v)) | |
| return -1.0*sum | |
| for i in range(10): | |
| print i,entropy([1 for j in range(i)]) |
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