Acad | Proof of TSS=ESS+RSS
date
Aug 20, 2025
slug
proof-tss-ess-rss
status
Published
summary
Why’s TSS (total sum of squares) equal to ESS (explained sum of squares) plus RSS (residual sum of squares)?
tags
Academic
Data Analysis
Methodology
Economics
type
Post
Let
We have
Q.E.D.