Tools for the analysis of epidemiological data. Contains functions for directly and indirectly adjusting measures of disease frequency, quantifying measures of association on the basis of single or multiple strata of count data presented in a contingency table, and computing confidence intervals around incidence risk and incidence rate estimates. Miscellaneous functions for use in meta-analysis, diagnostic test interpretation, and sample size calculations.
CHANGES IN epiR VERSION 0.9-98
SIGNIFICANT USER-VISIBLE CHANGES
o epi.prev Function does not truncate true prevalence estimates to values between 0 and 1. Warning issued when apparent prevalence is less than (1 - specificity). Additional references added to docuementation. CHANGES IN epiR VERSION 0.9-97
o epi.prev Error in formatting of confidence intervals when method = "sterne" and method = "blaker". [Spotted by Salome Duerr] Fixed. o epi.noninfb Study power estimation when r argument for epi.noninfb was not equal to 1 returned incorrect results. [Spotted by Aline Guttmann] Fixed. o epi.interaction Error returned when model = coxph. [Spotted by Eirik Degerud] Fixed. o epi.directadj Inconsistency in documentation. [Spotted by Jose Conde] Fixed.