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feat: add Series|Expr.rolling_sum
method
#1395
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02eb2c9
feat: add Series|Expr.rolling_sum method
FBruzzesi 8afd368
adjust for even window and center=True
FBruzzesi 669b6bd
improvements
FBruzzesi 83cf14c
strictly positive window_size and min_periods
FBruzzesi 2f04ab5
add hypothesis test
FBruzzesi efe4ff1
better docstrings
FBruzzesi af86577
forgot stable
FBruzzesi a2d1df4
skip hyp for pandas < (1, 0)
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Original file line number | Diff line number | Diff line change |
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@@ -43,6 +43,7 @@ | |
- pipe | ||
- quantile | ||
- replace_strict | ||
- rolling_sum | ||
- round | ||
- sample | ||
- shift | ||
|
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Original file line number | Diff line number | Diff line change |
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@@ -50,6 +50,7 @@ | |
- quantile | ||
- rename | ||
- replace_strict | ||
- rolling_sum | ||
- round | ||
- sample | ||
- scatter | ||
|
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Please take a double look at this implementation, especially for the case
center=True
.The overall idea is to:
min_periods
, otherwise set it to nullFor the center case, this is a bit more tricky. I am adding an offset to the start and end of the array, then performing the same computation, and finally slicing the array.
Now that I am thinking about it, a test with even sized windowmight be useful, as padding would not be symmetricAdjusted for even size windows and added a test