Statistics

How to join datasets correctly is well understood. But we continue to do it badly. Here are notes on how to do fuzzy joins and long to wide transformations starting with some general preprocessing advice. Preprocessing Keys and Tables 1. Remove stuff irrelevant to matching, e.g., font style, spaces,

A Deliberative Poll works as follows: A random sample of people are surveyed. Out of the initial sample, a random subset is invited to deliberate, given balanced briefing materials, randomly assigned to small groups moderated by trained moderators, allowed the opportunity to quiz experts, and in the end surveyed again.