---
title: "Discussion on \"Why Feature Scaling Matters: Three Cases Where the Same Data Gives Opposite Results\" | Hashnode"
description: "Discussion on \"Why Feature Scaling Matters: Three Cases Where the Same Data Gives Opposite Results\". See how unscaled features distort kNN, bias PCA, and slow neural networks. Learn when to use standardization vs min-max scaling."
url: "https://hashnode.com/posts/why-feature-scaling-matters-three-cases-where-the-same-data-gives-opposite-results/69d67544707c1ce7684d55c5"
---

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# [Why Feature Scaling Matters: Three Cases Where the Same Data Gives Opposite Results](https://mathisimple.hashnode.dev/why-feature-scaling-matters-three-cases-where-the-same-data-gives-opposite-results?utm_source=hashnode&utm_medium=feed)

See how unscaled features distort kNN, bias PCA, and slow neural networks. Learn when to use standardization vs min-max scaling.

Apr 8 · 8 min read · mathisimple.hashnode.dev  
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-   [#machinelearning](https://hashnode.com/tag/machinelearning)

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