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vaexio / vaex

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀
https://vaex.io
MIT License
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Fix: more stable std computation #2292

Open JovanVeljanoski opened 1 year ago

JovanVeljanoski commented 1 year ago

std would give nan for cases were the variance is veeeery close to 0 (due to numerical inaccuracies).

Raised by: https://github.com/vaexio/vaex/issues/2291