Tag: HARKing

Groups of people are connected by lines. Interdependence correlation in workflow. Interacting and joining forces with other teams. Interact to complete tasks. Formation of a more complex community.

^{Type
post

Author
Gary Smith
Date
September 19, 2022

Categorized
Mathematics, Probability

Tagged
Featured, HARKing, spurious correlations (in Big Data), Spurious Correlations (website), Stepwise regression, Stepwise regression tested}

Step Away From Stepwise Regression (and Other Data Mining)

_{Stepwise regression, which is making a comeback, is just another form of HARKing — Hypothesizing After the Results are Known} _{Gary Smith

September 19, 2022

6

Mathematics, Probability}

There is a strong correlation between the number of lawyers in Nevada and the number of people who died after tripping over their own two feet. There are similarly impressive correlations between U.S. crude oil imports and the per capita consumption of chicken — and the number of letters in the winning word in the Scripps National Spelling Bee and the number if people killed by venomous spiders. If you find these amusing (as I do), there are many more at the website Spurious Correlations. These silly statistical relationships are intended to demonstrate that correlation is not causation. But no matter how often or how loudly statisticians shout that warning, many people do not hear it. When there is a Read More ›

^{Type
post

Author
Gary Smith
Date
May 11, 2020

Categorized
Artificial Intelligence, Business and Finance, Medicine and Health

Tagged
___longform, Data Mining, Elliot Wave theory, Featured, HARKing, James Lind, Kondratieff waves, Peter Turchin, Robert Prechter, Tim Kohler}

Data Mining: A Plague, Not a Cure

_{It is tempting to believe that patterns are unusual and their discovery meaningful; in large data sets, patterns are inevitable and generally meaningless} _{Gary Smith

May 11, 2020

9

Artificial Intelligence, Business and Finance, Medicine and Health}

Findings patterns in data is easy. Finding meaningful patterns that have a logical basis and can be used to make accurate predictions is elusive. We can see this from 18th-century attempts to cure scurvy through 21st century claims about the stock market or history.