Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic linear and polynomial plots in Python. Seaborn lets you make ...

Basic Visualization¶ In this tutorial we show how Python and its graphics libraries can be used to create the two most common types of distributional plots: histograms and boxplots. 2.1. Preliminaries ...

8.3. Regression diagnostics¶. Like R, Statsmodels exposes the residuals. That is, keeps an array containing the difference between the observed values Y and the values predicted by the linear model. A ...