---
title: "Discussion on \"Data Leakage: What It Is and Why It Causes Our Predictive Systems to Fail\" | Hashnode"
description: "Discussion on \"Data Leakage: What It Is and Why It Causes Our Predictive Systems to Fail\". Data leakage represents, together with over/underfitting, the main cause of failure of machine learning projects that go into production\nData leakage is undoubtedly a threat that preys on data scientists, regardless of the level of seniority.\nIt is t..."
url: "https://hashnode.com/posts/data-leakage-what-it-is-and-why-it-causes-our-predictive-systems-to-fail/64f8f1eb84f685c2f5cde834"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [Data Leakage: What It Is and Why It Causes Our Predictive Systems to Fail](https://dag.hashnode.dev/data-leakage-what-it-is-and-why-it-causes-our-predictive-systems-to-fail?utm_source=hashnode&utm_medium=feed)

Data leakage represents, together with over/underfitting, the main cause of failure of machine learning projects that go into production Data leakage is undoubtedly a threat that preys on data scientists, regardless of the level of seniority. It is t...

Sep 6, 2023 · 6 min read · dag.hashnode.dev  
Read the article

-   [#data-science](https://hashnode.com/tag/data-science)
-   [#machine-learning](https://hashnode.com/tag/machine-learning)
-   [#data](https://hashnode.com/tag/data)

## Written by

[Andrea D’Agostino](https://hashnode.com/@thedrewdag)

@thedrewdag · Italy

  
[View profile](https://hashnode.com/@thedrewdag)

Data science & AI Consultant

Data scientist. I write about data science, machine learning and analytics. I also write about career and productivity tips to help you thrive in the field.

## Responses

Markdown supported · ⌘↵ to post

No responses yet.