Frank Harrell

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bio	website	biostat.mc.vanderbilt.edu/…
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182 Answers

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38	If mean is so sensitive, why use it in the first place?
26	Given the power of computers these days, is there ever a reason to do a Chi-squared test rather than Fisher's exact test?
23	Including the interaction but not the main effects in a model
18	Can the MIC algorithm for detecting non-linear correlations be explained intuitively ?
18	T-test for non normal when N>50?

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8,398 Reputation

+60	Example of distribution where large sample size is necessary for central limit theorem
+10	Using ANOVA on percentages?
+10	Based only on these sensitivity and specificity values, what is the best decision method?
+10	When to drop a term from a regression model?

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3 Questions

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12	Is there an R package for continuous time longitudinal binary responses?
11	t-test for partially paired and partially unpaired data
3	Generalization of cumulative probability models for ordinal Y

159 Tags

199 regression × 49	44 modeling × 6
137 r × 41	44 interaction × 6
99 logistic × 33	44 mean × 2
71 model-selection × 13	43 median × 2
46 cross-validation × 11	38 basic-concepts

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