Description Usage Arguments Value Examples
Compute the base-b
Shannon cross entropy between a true distribution
p
and an unnatural distribution q
.
1 | shannon_cross_entropy(p, q, b = 2)
|
p |
Dist specifying the true distribution. |
q |
Dist specifying the unnatural distribution. |
b |
Numeric giving the base of the logarithm. |
Numeric giving the Shannon cross entropy.
1 2 3 4 5 6 | p <- Dist(c(1, 0, 0))
q <- Dist(c(2, 1, 1))
shannon_cross_entropy(p, q) # 1.0000000
shannon_cross_entropy(q, p) # Inf
shannon_cross_entropy(p, q, b = 3) # 0.6309298
shannon_cross_entropy(q, p, b = 3) # Inf
|
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