Import NumPy and Matplotlib for basic linear and polynomial plots in Python. Seaborn lets you make statistical plots, like bar charts, histograms, and regression, with Python for free.

In the example below, I use an e-commerce data set to build a regression model. I also explain how to determine if the model reveals anything statistically significant, as well as how outliers may ...

Sometimes I have to write stuff so I won’t forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you ...