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add median(f, itr) method? #27

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ssfrr opened this issue Mar 1, 2020 · 1 comment · Fixed by #186
Closed

add median(f, itr) method? #27

ssfrr opened this issue Mar 1, 2020 · 1 comment · Fixed by #186

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@ssfrr
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ssfrr commented Mar 1, 2020

Most of the basic statistics e.g. minimum, maximum, and mean, functions can take a function as the first argument, but median doesn't seem to have such a method. Would it be good to add one, for consistency?

This is similar to JuliaLang/Statistics.jl#26 about adding the by keyword, except that by only affects how the elements are ordered and selected, rather than actually transforming the array.

It might be as simple as median(f, x) = median!(f.(x)), though probably needs some type restrictions to play nicely with the other methods.
@fredrikekre fredrikekre transferred this issue from JuliaLang/julia Mar 1, 2020
@ajinkya-k
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Would be fixed by #186. Also related to #141

@ajinkya-k ajinkya-k mentioned this issue Jan 20, 2025
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nalimilan pushed a commit that referenced this issue Feb 5, 2025
@ajinkya-k
add methods for median and quantile with function as the first ar…
0ce3149 
…gument (#186)

Adds `quantile(f, v)` and `median(f, v)` methods, where `f` is a function,
and `v` is an abstract array.
Fixes #141, #27.
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@ssfrr @ajinkya-k