Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

Plus you can run a basic regression model without having to learn Python ... this example, you’re using simple linear regression, since you’re working with just one independent variable ...

The standard linear regression ... and create one 0-or-1-valued "difference" variable for each other value. (The coefficient of each difference variable represents the difference between the ...