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Entropy/Narcissist: Difference between revisions
Added Julia language
m (Now it works with arbitary filename) |
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'''Example''':<lang j> load 'entropy.ijs'
4.73307</lang>
=={{header|Julia}}==
{{works with|Julia|0.6}}
<lang julia>using DataStructures
function entropy(c)
# counts elements
elements = counter(eltype(c))
for e in c push!(elements, e) end
l = length(c)
return -sum(cnt / l * log2(cnt / l) for cnt in values(elements))
end
println("self-entropy: ", entropy(readstring(Base.source_path())))</lang>
{{out}}
<pre>self-entropy: 4.632089213449782</pre>
=={{header|Kotlin}}==
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