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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Entropy/R/entropy.r Normal file
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entropy <- function(str) {
vec <- strsplit(str, "")[[1]]
N <- length(vec)
p_xi <- table(vec) / N
-sum(p_xi * log(p_xi, 2))
}