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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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Task/Averages-Simple-moving-average/Julia/averages-simple-moving-average-1.julia Normal file
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using Statistics

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Task/Averages-Simple-moving-average/Julia/averages-simple-moving-average-2.julia Normal file
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function movingaverage(::Type{T} = Float64; lim::Integer = -1) where T<:Real
buffer = Vector{T}(0)
if lim == -1
# unlimited buffer
return (y::T) -> begin
push!(buffer, y)
return mean(buffer)
end
else
# limited size buffer
return (y) -> begin
push!(buffer, y)
if length(buffer) > lim shift!(buffer) end
return mean(buffer)
end
end
end
test = movingaverage()
@show test(1.0) # mean([1])
@show test(2.0) # mean([1, 2])
@show test(3.0) # mean([1, 2, 3])