Learn what overfitting is, how it impacts data models, and effective strategies to prevent it, such as cross-validation and simplification.

It’s not hard to add an alternating band format to a table by applying a table style. It’s quick and easy, but it’s limited. You’ll get a single-row fill color that alternates with a row of white (or ...

How to return the top or bottom n records without a filter or PivotTable in Excel Your email has been sent Returning the top or bottom n records of a data set in Excel isn’t difficult, and there are ...

Have data sets scattered all over the place? Here's how to pull them into a single, robust catalog with the pointblank R package and a Quarto document. Do you have data sets scattered all over the ...

Data is rarely properly formatted and structured when you import it. Try these eight tips for fast data cleanup in Microsoft Excel. Data comes in from an increasing number of sources these days. For ...