The simplest form of regression in Python is, well, simple linear regression. With simple linear regression, you're trying to ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation.

How do you calculate a least squares regression line by hand? When calculating least squares regressions by hand, the first step is to find the means of the dependent and independent variables. We do ...

If you need to reconcile batches of records in Microsoft Excel, this simple VLOOKUP() solution offers a quick and easy way to find records in one batch that are missing from another.

You probably use VLOOKUP() function to find exact matches in Microsoft Excel, but you can also find the closest value when you don't know the exact value.