User dsimcha - Cross Validated

dsimcha

Member for 13 years
Last seen more than 5 years ago

Maryland

14 Answers

Score Activity Newest

82 votes

Accepted

What do you call an average that does not include outliers?

answered Feb 2, 2009 at 14:24

339 votes

Accepted

ROC vs precision-and-recall curves

answered Feb 14, 2011 at 18:11

15 votes

Why would all the tests for normality reject the null hypothesis?

answered Oct 6, 2011 at 18:27

3 votes

Big-O Scaling of R's cmdscale()

answered May 17, 2011 at 18:24

0 votes

What are disadvantages of using the lasso for variable selection for regression?

answered Mar 7, 2011 at 0:38

12 votes

What skills are required to perform large scale statistical analyses?

answered Mar 6, 2011 at 21:38

8 votes

Accepted

Testing statistical software

answered Feb 24, 2011 at 14:15

6 votes

Accepted

Computing chi-square for large tables with some expected cell counts equal to zero

answered Feb 21, 2011 at 2:54

199 votes

The Two Cultures: statistics vs. machine learning?

answered Feb 14, 2011 at 22:09

1 vote

GLMNET or LARS for computing LASSO solutions?

answered Feb 10, 2011 at 19:19

3 votes

Is it possible to prove a null hypothesis?

answered Feb 10, 2011 at 15:29

7 votes

If the t-test and the ANOVA for two groups are equivalent, why aren't their assumptions equivalent?

answered Feb 4, 2011 at 1:29

4 votes

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?

answered Sep 21, 2010 at 1:36

69 votes

Is normality testing 'essentially useless'?

answered Sep 18, 2010 at 2:32