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Matt Brems

Member for 9 years, 1 month
Last seen more than 6 years ago

Twitter
Washington, District of Columbia

Summary

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Top tag

statistical-significance

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3,000 Rep.

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Impact

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2

helpful flags

78

votes cast

Answers

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45

A/B tests: z-test vs t-test vs chi square vs fisher exact test

Oct 27, 2015

15

Wildly different $R^2$ between linear regression in statsmodels and sklearn

Dec 6, 2016

7

Yes/No question statistics

Nov 10, 2015

6

Compare t-test of difference in means of 3 samples

Nov 17, 2015

6

What is Epsilon Convergence in Probability?

Oct 27, 2016

Questions

2

Feature selection and PCA in logistic regression with rare events data

Oct 21, 2015

2

Can I set up multiple probability models that sum to 1?

Oct 26, 2015

2

Estimating probabilities for binary data with only '1s'

Oct 29, 2015

1

How "bad" is it to use an independent variable as part of a proxy dependent variable in forecasting?

Dec 29, 2015

Tags

View all 144 tags

statistical-significance

52

Score

6

posts

chi-squared-test

50

Score

5

posts

fishers-exact-test

46

Score

2

posts

p-value

45

Score

1

post

z-statistic

45

Score

1

post

Reputation

+10

Grouped monthly sample sizes

+10

I wanted a 10% chance of an item entering a queue to be marked differently, could I roll a 10 sided die and mark the item if it's equal to 1?

+10

Weighting results in a Likert survey

+10

De Méré's Paradox - Probability of getting at least a "six" with 4 throws

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Jul 15, 2016

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Jan 18, 2016
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May 31, 2022
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Nov 19, 2015

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Nov 17, 2015
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Nov 8, 2015
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Nov 17, 2016

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