> For the complete documentation index, see [llms.txt](https://wiki.omar.engineer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.omar.engineer/machine-learning/regression.md).

# Regression

Loss metrics to optimize for:

*Lower values indicate a better performing model.*

* Mean Squared Error (How close a regression line is to the set of points from it).
* Root Mean Squared Error (to get back to the same units used in the examples).