Entropy: Difference between revisions
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"Picat is fun"].map(entropy).println(), |
"Picat is fun"].map(entropy).println(), |
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nl. |
nl. |
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% probabilities of each element/character in L |
% probabilities of each element/character in L |
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Entropy = -sum([P2*log2(P2) : _C=P in Occ, P2 = P/Len]).</lang> |
Entropy = -sum([P2*log2(P2) : _C=P in Occ, P2 = P/Len]).</lang> |
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{{out}} |
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Output: |
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<pre>[1.846439344671016,3.646513010214172,5.169925001442309,3.251629167387823]</pre> |
<pre>[1.846439344671016,3.646513010214172,5.169925001442309,3.251629167387823]</pre> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |
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