unused z array in entropy

[feanor12]

StatsBase.jl/src/scalarstats.jl

Lines 429 to 439 in 88b4818

	function entropy(p::AbstractArray{T}) where T<:Real
	s = zero(T)
	z = zero(T)
	for i = 1:length(p)
	@inbounds pi = p[i]
	if pi > z
	s += pi * log(pi)
	end
	end
	return -s
	end

[devmotion]

z here is not an array but a zero value of the same type as the elements in the array p. It is used in line 434.

[feanor12]

I think I understand it now. Thank you!