> For the complete documentation index, see [llms.txt](https://excelhelp.windhamlabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://excelhelp.windhamlabs.com/functions/regression-analysis.md).

# Regression Analysis

- [FACTORANALYSIS](https://excelhelp.windhamlabs.com/functions/regression-analysis/factoranalysis.md): Evaluate your assets, managers, and portfolios against factors (economic variables, signals, risk models). Decompose risk and return of your instruments using multi-factor or stepwise regressions.
- [PSR](https://excelhelp.windhamlabs.com/functions/regression-analysis/psr.md): Partial-sample regression function to estimate the similarity, informativeness, and relevance of dependent variables.