Signals before Single Pane

There is a mantra in the silicon valley; “Measure, or it’s not meaningful.” But what does this mean in practice?
It assumes a reliable source: such as measuring profit or loss. The data source is a bank, and the measure is a simple calculation.
How to Measure the Metrics that Matter, By Chris Brahm, Mark Kovac, and Peter Guarraia, covers this topic well. It boils down to signals processed…