Stats & Cats

Data, statistics, and cats doing maths

Tagged: sampling

Articles tagged with sampling in Stats and Cats.

Survivorship Bias: The Sample You're Not Seeing
When you study only the outcomes that made it through a filter, you are not studying outcomes. You are studying a selection process. The WWII plane problem and why it matters wherever data gets filtered.
Sampling Methods
Simple random, stratified, cluster, systematic, and convenience sampling: when each is used, what it assumes, and what conclusions it licenses.