Design, Planning and Analysis of Observational Studies

Documentation for package ‘osDesign’ version 1.8

beta0	Calculate the intercept of a logistic regression model, given a vector of log-odds ratio parameters and an overall prevalence.
ccPower	Simulation-based estimation of power for the case-control design
ccSim	Simulation function for case-control study designs.
infants	Infant mortality data from North Carolina
Ohio	Ohio lung cancer data
phaseI	Expected phase I stratification
plotPower	Plot function for power, based on two-phase and case-control design
rmvhyper	Random generation for the multivariate hypergeometric distribution
tps	Estimation for two-phase designs.
tpsPower	Simulation-based estimation of power for the two-phase study design
tpsSim	Simulation function for two-phase study designs.