URL | Notes |
---|---|
QuesGen | Sample size, confidence interval, posterior probability of disease |
Xuru | Online Probability Distributions |
Xuru | Regression Tools |
UCLA SOCR | Distributions |
MGH Biostatistics software | Some great calculators from Harvard |
NCSU Independence Tests | Exact unconditional tests for 2 by 2 contingency tables |
Vassar Confidence Interval | Confidence interval for a correlation |
GLIMMPSE | Free software for power and sample size calculations |