Cross Validated
Matthew Gunn
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PhD in finance from University of Chicago Booth School of Business

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80 Is this chart showing the likelihood of a terrorist attack statistically useful? Feb 1 '17
70 Why is it that natural log changes are percentage changes? What is about logs that makes this so? Nov 4 '16
51 Why do we take the square root of variance to create standard deviation? Mar 23 '17
46 Is the sum of two white noise processes necessarily a white noise? Oct 9 '16
44 Is a high $R^2$ ever useless? Dec 16 '15
35 Gradient descent doesn't find solution to ordinary least squares on this dataset? Apr 18 '17
32 Can a meta-analysis of studies which are all "not statistically signficant" lead to a "significant" conclusion? Oct 28 '16
32 When A and B are positively related variables, can they have opposite effect on their outcome variable C? Aug 9 '16
30 Empirical CDF vs CDF Oct 13 '16
30 When should one include a variable in a regression despite it not being statistically significant? Apr 2 '17
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