8

Statistical Diagnostics

“What gets measured, gets done.”

—W. Edwards Deming

“I have a soft spot for secret passageways, bookshelves that open into silence, staircases that go down into a void, and hidden safes. I even have one myself, but I won’t tell you where. At the other end of the spectrum are statistics which I hate with all my heart.”

—Luis Buñuel

“Probability.”1

—H. O. “HOH” Hartley

Statistical Diagnostics measure the quality of the data analysis. They provide five broad benefits:

1. Detecting mistakes or weaknesses—foibles

2. Measuring the accuracy of an analysis

3. Measuring the reliability of an analysis

4. Providing insight ...

Get A PRACTITIONER’S GUIDE TO BUSINESS ANALYTICS: Using Data Analysis Tools to Improve Your Organization’s Decision Making and Strategy now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.