Signal vs. Noise Filters

Signal vs. Noise Filters

When Purity Misleads: How to Compare Two Signal Filters Without Confusing Cleanliness with Relevance

Here is a scene: You have two signal filters. One output looks pristine—no jitter, no blips. The other still carries some wobble, but it caught a weak...

Signal vs. Noise Filters

Choosing Between a Louder Signal and a Quieter Process: How Noise Filters Shape Decision Speed

Noise filters are everywhere. Email spam filters. Code linters. Newsfeed algorithms. They promise to strip away the irrelevant so you can focus on wha...

Signal vs. Noise Filters

When Your Signal Filter Starts Filtering Out the Truth: Choosing Clarity Over Clean Data

A filter that removes too much noise also removes signal. That’s the hard lesson I learned after spending three month cleaning a dataset for a climate...