Binary Logistic Regression Sample Size Calculator. PowerMediation PowerSample Size Calculation for Mediation Analysis. This program computes power sample size or minimum detectable odds ratio OR for logistic regression with a single binary covariate or two covariates and their interaction.
The Wald test is used as the basis for computations. Number of y columns. There are two issues that researchers should be concerned with when considering sample size for a logistic regression.
Two-Sided Equality for binary covariate.
Binary Continuous Time-to-event survival OtherNot sure. This section illistrates how to determine the minimum sample size for simple logistic regression with a binary covariate. Binary Continuous Time-to-event survival OtherNot sure. Logistic regression - Sample size.
