suncoolsu's user avatar
suncoolsu's user avatar
suncoolsu's user avatar
suncoolsu
  • Member for 12 years, 5 months
  • Last seen more than 7 years ago
  • United States
50 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?

28 votes
Accepted

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

25 votes

What are common statistical sins?

24 votes
Accepted

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

24 votes

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

18 votes

Rules of thumb for "modern" statistics

17 votes
Accepted

Addressing model uncertainty

17 votes
Accepted

Pitfalls of linear mixed models

15 votes

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

14 votes

Split plot in R

13 votes
Accepted

Likelihood ratio test

11 votes
Accepted

How can I determine weibull parameters from data?

11 votes
Accepted

The use of median polish for feature selection

11 votes

What is Deviance? (specifically in CART/rpart)

11 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

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

8 votes

Recommended books on experiment design?

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

Can random effects apply only to categorical variables?

6 votes

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

6 votes

Looking for stats/probability practice problems with data and solutions