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Title: Improve groupby's `agg` performance on large data; from 16s to 20ms for 20k rows by TheSisb · Pull Request #677 · javascriptdata/danfojs · GitHub

Open Graph Title: Improve groupby's `agg` performance on large data; from 16s to 20ms for 20k rows by TheSisb · Pull Request #677 · javascriptdata/danfojs

X Title: Improve groupby's `agg` performance on large data; from 16s to 20ms for 20k rows by TheSisb · Pull Request #677 · javascriptdata/danfojs

Description: Hey all 👋 , tl;dr I'm using danfojs in a project and noticed some severe performance issues: I tracked it down to the .agg() calls: 16seconds seemed unreasonable, so I figured there would be easy...

Open Graph Description: Hey all 👋 , tl;dr I'm using danfojs in a project and noticed some severe performance issues: I tracked it down to the .agg() calls: 16seconds seemed unreasonable, so I figured there would be ...

X Description: Hey all 👋 , tl;dr I'm using danfojs in a project and noticed some severe performance issues: I tracked it down to the .agg() calls: 16seconds seemed unreasonable, so I figured there would...

Opengraph URL: https://github.com/javascriptdata/danfojs/pull/677

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Improve groupby's agg performance on large data; from 16s to 20ms for 20k rows https://patch-diff.githubusercontent.com/javascriptdata/danfojs/pull/677#top
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improve groupBy and agg perf by a factor of 10https://patch-diff.githubusercontent.com/javascriptdata/danfojs/pull/677/commits/bd93995f5ab0678d37cc3247e8bd929602de5b5d
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