---
title: "Discussion on \"What is cross-validation, and why is it important?\" | Hashnode"
description: "Discussion on \"What is cross-validation, and why is it important?\". Cross-validation is essential because it:\n\nProvides a more accurate measure of model performance by testing it on multiple subsets of data, which better represents how it will perform on unseen data.\n\nHelps identify overfitting or underfitting by rev..."
url: "https://hashnode.com/posts/what-is-cross-validation-and-why-is-it-important/6734c7a5201ba5bdd8daee34"
---

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# [What is cross-validation, and why is it important?](https://mypersonalblog.hashnode.dev/what-is-cross-validation-and-why-is-it-important?utm_source=hashnode&utm_medium=feed)

Cross-validation is essential because it: Provides a more accurate measure of model performance by testing it on multiple subsets of data, which better represents how it will perform on unseen data. Helps identify overfitting or underfitting by rev...

Nov 13, 2024 · 2 min read · mypersonalblog.hashnode.dev  
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[sujitha](https://hashnode.com/@Sujitha17)

@Sujitha17 · Vijayawada,AndhraPradesh,India

  
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student at SRM University AP

I am a student at SRM University, AP pursuing my BTECH in CSE.

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