---
title: "Discussion on \"From Lines to Decisions: Why Regression Fails at Classification\" | Hashnode"
description: "Discussion on \"From Lines to Decisions: Why Regression Fails at Classification\". Learn why linear regression fails at classification, how predictions can go below 0 or above 1, and why sigmoid is needed for probabilities."
url: "https://hashnode.com/posts/from-lines-to-decisions-why-regression-fails-at-classification/6a95d4e6626ac941e43dfc2f"
---

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# [From Lines to Decisions: Why Regression Fails at Classification](https://tharunpandya.hashnode.dev/from-lines-to-decisions-why-regression-fails-at-classification?utm_source=hashnode&utm_medium=feed)

Learn why linear regression fails at classification, how predictions can go below 0 or above 1, and why sigmoid is needed for probabilities.

Aug 31 · 9 min read · tharunpandya.hashnode.dev  
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-   [#machine-learning](https://hashnode.com/tag/machine-learning)
-   [#classification](https://hashnode.com/tag/classification)
-   [#ai](https://hashnode.com/tag/ai)
-   [#artificial-intelligence](https://hashnode.com/tag/artificial-intelligence)
-   [#sigmoid-function](https://hashnode.com/tag/sigmoid-function)
-   [#regression](https://hashnode.com/tag/regression)
-   [#data-science](https://hashnode.com/tag/data-science)

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[Tharun](https://hashnode.com/@tharun-pandya)

@tharun-pandya · Bangalore, India

  
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Building AI Systems That Solve Real Problems.

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