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truncated negative autocorealation #123

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denizhanpak
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Based on issue #64

@Datseris
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By definition, autocorrelation functions start from 1, so positive. You only need to find the index when it first becomes negative. You can also do this in 1 line of code using idx = findfirst(<(0), c).

@denizhanpak denizhanpak closed this Apr 3, 2023
@denizhanpak
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Fixed!

@denizhanpak denizhanpak reopened this Apr 3, 2023
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Datseris commented Apr 4, 2023

Great, but there is still no test calling this new method! Please add a test to the appropriate file in the tests folder.

Comment on lines +55 to +56
idx = findfirst(<(0), c)
τ = exponential_decay_fit(τs[:idx], c[:idx])
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Here idx is the first index that c is negative. So by doing c[1:idx] you will for sure include the negative value. You need to do c[1:idx-1]. Also, please explicitly always include starting index, this [:idx] is python syntax.

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Datseris commented Jul 7, 2023

bump @denizhanpak

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Datseris commented Aug 7, 2023

bump @denizhanpak

@denizhanpak denizhanpak deleted the positive_correlation branch September 22, 2023 03:09
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2 participants