Daily data science tweets from @JohnDCook.

Houston
Joined November 2010
“Statistics is hard, especially when effects are small and variable and measurements are noisy. There are no quick fixes … and a formulaic approach to statistics is a principal cause of the current replication crisis.” — Blakeley McShane
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'Everyone thinks that the data in other people’s subjects are in better shape.' -- John Tukey
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For network analysis, check out @NetworkFact.
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The Bayes estimator with minimum quadratic loss for a parameter is the posterior mean of that parameter.
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'Choice of an appropriate family of distributions may be the most challenging phase of analysis.' -- David Cox
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Kleinberg's theorem: There are no clustering algorithms that satisfy scale invariance, richness, and consistency.
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The Wilcoxon Rank Sum Test can have greater asymptotic relative efficiency than the t-test for heavy-tailed distributions.
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'To calculate is not in itself to analyze.' -- Edgar Allen Poe, Murders in the Rue Morgue
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Unbiased estimators based on complete sufficient statistics are unique. -- Lehmahn-Scheffé theorem
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Reference comparing R, Python, and MATLAB syntax mathesaurus.sourceforge.net/…
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'A Bayesian is one who, vaguely expecting a horse, and catching a glimpse of a donkey, strongly believes he has seen a mule.' ~ @stephensenn
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