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

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All Questions Answers
Votes Newest
80
Is this chart showing the likelihood of a terrorist attack statistically useful?
Feb 1 '17
73
Why is it that natural log changes are percentage changes? What is about logs that makes this so?
Nov 4 '16
52
Why do we take the square root of variance to create standard deviation?
Mar 23 '17
47
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
Top Meta posts
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23
If I use my own StackExchange answers elsewhere, am I violating copyright law?
8
Is it appropriate to heavily rewrite a poorly written question?
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27
What are reasons not to do factor investing in equity markets?
20
Why does Kelly maximise $E[\log\space G]$ rather than simply $E[G]$?
17
Normal equation and Numpy 'least-squares', 'solve' methods difference in regression?
15
Why do trading strategies lose effectiveness over time?
14
Is it possible to simplify (x == 0 || x == 1) into a single operation?

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