Blog category
Data & decisions
What to do in the first hour with a new dataset, and how to decide when the numbers won't decide for you. Looking before calculating; expected value and the decisions it quietly gets wrong; the pictures that summary statistics can't show you.
What to do in the first hour with a new dataset, and how to decide when the numbers won't decide for you. Looking before calculating; expected value and the decisions it quietly gets wrong; the pictures that summary statistics can't show you.
2 pieces
Articles in Data & decisions
The textbook tool for choosing under uncertainty is a weighted average. Right for repeated choices; misleading for one-shots and anything you cannot survive getting wrong.
15 October 2022 Data exploration: the first hour decides the restFour datasets, identical statistics, four completely different stories. The case for looking before calculating, in one famous picture.
Want this applied to your process?
A free 30-minute discovery call: no commitment, no jargon.
Book a discovery call