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Some steps are very slow #7

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prockenschaub opened this issue Nov 29, 2022 · 2 comments
Closed

Some steps are very slow #7

prockenschaub opened this issue Nov 29, 2022 · 2 comments

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@prockenschaub
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Steps like StepHistorical and StepImputeFill can take a long time. We may want to think about ways to speed those up. For example, I have in the past been able to speed up pandas ffill by inserting stopping rows between patients and then running ffill on the ungrouped dataframe.
@prockenschaub
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Performance fo StepImputeFill fixed by #14.

@rvandewater
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Polars backend should increase speed #20 .

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@prockenschaub @rvandewater