Stationarity Explained Without Math Anxiety
The First Thing to Check
If you’ve spent any time around time series, you’ve probably heard this word thrown around like it’s sacred:
Stationarity.
It sounds intimidating. It’s often wrapped in equations. And it’s usually introduced in a way that makes perfectly capable people think, “Maybe this isn’t for me.”
Let’s fix that.
You don’t need heavy math to understand stationarity. Yo…



