---
title: "Untitled"
output: html_document
---
Give your work a sensible title
After adding your derivation to the file (remember you can incorporate LATEX by wrapping in $$
), knit it.
When you’ve finished, upload the .html file to Canvas
Distribute (FOIL / get rid of the parentheses) the RSS equation
RSS=(y−Xˆβ)T(y−Xˆβ)
Solve ∂RSS∂ˆβ=
Solve for ˆβ
−2XTy+2XTXˆβ=0