OlsCheck
olscheck is a Python library designed to check and visualize the assumptions of Ordinary Least Squares (OLS). This tool streamlines the process of model diagnostics, offering an all-in-one solution for analyzing residuals, leverage, and multi-collinearity.
Features
- Residuals vs Fitted Plot: Visualize potential non-linear patterns.
- QQ-Plot: Check the normality of residuals.
- Scale-Location Plot: Confirm homoscedasticity.
- Leverage Plot: Identify influential cases.
- VIF Test: Assess multi-collinearity among predictors.
Background
Much of the code for this library is inspired by Statsmodels. However, the Statsmodels implementation is tightly coupled with its own components, making it challenging to use if you are employing OLS from a different library.
OlsCheck provides a straightforward alternative for generating key diagnostic plots that assess the assumptions underlying Ordinary Least Squares (OLS) regression. The library internally calculates residuals, leverage, and studentized residuals to deliver these insights.
Installation
pip install olscheck
Development setup (uv)
uv sync --group test
uv run pytest
1 maintainer
Metadata
1 maintainer
Release files for olscheck 0.1.8
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