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L Xandor

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 5 years, 3 months
  • 27 profile views
  • Last seen Nov 22 '19 at 20:17

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Top posts (14) All Questions Answers | Votes Newest

40 A/B tests: z-test vs t-test vs chi square vs fisher exact test Oct 27 '15
10 Logistic regression vs chi-square in a 2x2 and Ix2 (single factor - binary response) contingency tables? Oct 20 '15
4 Sample size for A/B testing Nov 16 '15
4 Why does significance not equal validity? Why can't I stop a test as soon as it has significant results? Nov 17 '15
3 How to conduct test of proportions and calculate the needed sample size? Dec 22 '16
2 Why is CHAID (decision tree) analysis used in direct marketing? What makes it more suitable than other types of trees? Jan 27 '16
1 Determining minimum required sample size for control (for purposes of measuring lift) Feb 4 '16
1 Determining which category has the highest proportion at a chosen significance level Sep 8 '15
1 Interpreting/Quantifying what is causing changes in ML model predictions week over week Ask Aug 7 '19
0 Why are decision trees considered supervised learning? Dec 3 '18
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