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suncoolsu's user avatar
suncoolsu's user avatar
suncoolsu
  • Member for 14 years, 3 months
  • Last seen more than 9 years ago
  • United States
51 votes

Given the power of computers these days, is there ever a reason to do a chi-squared test rather than Fisher's exact test?

46 votes

What is the difference between NaN and NA?

29 votes
Accepted

How to plot decision boundary in R for logistic regression model?

27 votes

How to understand output from R's polr function (ordered logistic regression)?

26 votes

What are common statistical sins?

24 votes
Accepted

How do I fit a multilevel model for over-dispersed poisson outcomes?

19 votes

Rules of thumb for "modern" statistics

18 votes

What's the difference between a confidence interval and a credible interval?

18 votes
Accepted

Pitfalls of linear mixed models

17 votes
Accepted

Addressing model uncertainty

17 votes
Accepted

Likelihood ratio test

15 votes

Split plot in R

13 votes
Accepted

How can I determine weibull parameters from data?

12 votes
Accepted

The use of median polish for feature selection

12 votes

What is Deviance? (specifically in CART/rpart)

12 votes
Accepted

How to do dimensionality reduction in R

11 votes
Accepted

Usage of HMM in quantitative finance. Examples of HMM that works to detect trend / turning points?

10 votes
Accepted

Adding coefficients to obtain interaction effects - what to do with SEs?

10 votes
Accepted

Tutorials on object-oriented programming in R

10 votes

Calculating p-value from an arbitrary distribution

9 votes

Split-Plot ANOVA: model comparison tests in R

9 votes

How to plot an ellipse from eigenvalues and eigenvectors in R?

9 votes

Recommended books on experiment design?

9 votes

OLS is BLUE. But what if I don't care about unbiasedness and linearity?

9 votes

Can random effects apply only to categorical variables?

8 votes

Understanding AIC and Schwarz criterion

7 votes

Why break down the denominator in Bayes' Theorem?

7 votes

Statistics and data mining software tools for dealing with large datasets

7 votes

Significance testing of three or more correlations using Fisher's transformation

6 votes

If an ANOVA indicates no main effect and no interaction, should the lack of interaction be stated?