---
title: "Marginalization mathematical notation"
description: "Marginalization is a recurring research-paper notation family. Removes an unobserved variable from a joint distribution by summing or integrating over…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/marginalization"
md_url: "https://fanout.sh/labs/math-decoder/symbol/marginalization.md"
last_updated: "2026-08-09"
access: "public"
---

# Marginalization mathematical notation

Marginalization is a recurring research-paper notation family. Removes an unobserved variable from a joint distribution by summing or integrating over…

## Public overview

Marginalization is a recurring research-paper notation family. Removes an unobserved variable from a joint distribution by summing or integrating over every possible value.

Marginalization: Removes an unobserved variable from a joint distribution by summing or integrating over every possible value. Example: Add the joint probability across every possible x to retain only y.

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