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Shannon Entropy Calculator

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Shannon Entropy:
Normalized Shannon Entropy:


Shannon Entropy (S) = -∑i(piLnpi).
where pi is the frequency of each species.

Normalized Shannon Entropy (Sn) = S/LnN.
where N is the total number of the species.

Reference:
Minosse C. et al. Possible Compartmentalization of Hepatitis C Viral Replication in the Genital Tract of HIV-1-Coinfected Women. J. Infect. Diseases. 2006. 194: 1529-36