dsimcha

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1,457 reputation

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	location	Maryland
	age	28
visits	member for	2 years, 8 months
	seen	Jan 16 at 21:17
stats	profile views	106

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14 Answers

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29	The Two Cultures: statistics vs. machine learning?
19	What do you call an average that does not include outliers?
16	ROC vs precision-and-recall curves
11	Is normality testing 'essentially useless'?
7	Why would all the tests for normality reject the null hypothesis?

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1,457 Reputation

+10	Is it possible to prove a null hypothesis?
+5	Best PCA Algorithm For Huge Number of Features?
+5	What, precisely, is a confidence interval?
+10	When conducting a t-test why would one prefer to assume (or test for) equal variances rather than always use a Welch approximation of the df?

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13 Questions

votes activity newest

32	What, precisely, is a confidence interval?
31	Rigorous definition of an outlier?
11	Best way to put two histograms on same scale?
10	Best PCA Algorithm For Huge Number of Features?
10	Finding number of gaussians in a finite mixture with Wilks' theorem?

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56 Tags

21 machine-learning × 4	16 roc
19 outliers × 2	8 regression × 8
19 average	7 normal-distribution × 3
19 mean	7 computing
16 precision-recall	7 computational-statistics

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	Programmers	10,936 rep	13162
	Cross Validated	1,457 rep	818
	Meta Stack Overflow	539 rep	35
	Super User	444 rep	1315

15 Badges

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Nice Question × 5	Good Question × 2
Nice Answer × 4	Popular Question × 3
Notable Question	Enlightened
Good Answer	Necromancer
Yearling × 2	Scholar

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