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Gregg H

I am a professor of statistics at a university in Virginia. My work focuses on simulation research applied to survey methodology. I teach mathematics and statistics.

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  • VA, USA
  • Member for 3 years, 3 months
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11 What is the origin of the “receiver operating characteristic” (ROC) terminology? Apr 17 '18
8 What is the worst that can happen when the homoscedasticity assumption is violated in ANOVA? Mar 24 '18
7 What does this notation mean: $F$ at the matrix norm and $Q$ under the $\arg\min$ Jul 10 '19
6 Peculiarities and semantics of ANOVA Apr 8 '18
6 is the difference of two positive definite matrices also positive definite? Mar 29 '18
5 Should standardization be done using leave-one-out? Jun 23 '19
5 Hypothesis testing: Null Hypothesis for one-sided tests Apr 22 '18
5 Test the difference between two (genetic) correlations, when only standard errors and z-statistics are available Jul 3 '19
4 Are residuals “predicted minus actual” or “actual minus predicted” Apr 24 '18
4 How to understand SE of regression slope equation Apr 25 '18
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