<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Validation on Learning blog</title><link>https://blog-dev.juanbretti.com/en/tags/validation/</link><description>Recent content in Validation on Learning blog</description><generator>Hugo -- gohugo.io</generator><language>en</language><copyright>© 2026 Juan Pedro Bretti Mandarano</copyright><lastBuildDate>Fri, 24 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://blog-dev.juanbretti.com/en/tags/validation/index.xml" rel="self" type="application/rss+xml"/><item><title>Is Your App Idea Worth Building?</title><link>https://blog-dev.juanbretti.com/en/posts/2026-11-02_is_your_app_idea_worth_building/</link><pubDate>Mon, 02 Nov 2026 00:00:00 +0000</pubDate><guid>https://blog-dev.juanbretti.com/en/posts/2026-11-02_is_your_app_idea_worth_building/</guid><description/><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://blog-dev.juanbretti.com/es/posts/2026-11-02_is_your_app_idea_worth_building/featured_is_your_app_idea_worth_building.jpg"/></item><item><title>We Tuned 4 Classifiers on the Same Dataset — None Actually Improved</title><link>https://blog-dev.juanbretti.com/en/posts/2026-08-19_we_tuned_4_classifiers_same_dataset_none_improved/</link><pubDate>Wed, 19 Aug 2026 00:00:00 +0000</pubDate><guid>https://blog-dev.juanbretti.com/en/posts/2026-08-19_we_tuned_4_classifiers_same_dataset_none_improved/</guid><description/><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://blog-dev.juanbretti.com/es/posts/2026-08-19_we_tuned_4_classifiers_same_dataset_none_improved/featured_we_tuned_4_classifiers_none_improved.png"/></item></channel></rss>