Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...

We’re starting the week with a clear shift in tone. The dollar just pushed back above the psychological 100 level, while gold and silver are… hesitating. Not reversing, not continuing… just waiting.

Know what message you’re trying to communicate before you get down in the weeds. by Scott Berinato Not long ago, the ability to create smart data visualizations, or dataviz, was a nice-to-have skill.