has part has_specified_input has_specified_output achieves_planned_objective Likelihood-ratio test data transformation false positive rate Fisher's exact test Pearson's Chi square test of independence between categorical variables Hardy-Weinberg equilibrium testing Orlaith Burke > library(HardyWeinberg) > x <- c(298,489,213) > HW.test <- HWChisq(x,verbose=TRUE) http://cran.r-project.org/web/packages/HardyWeinberg/index.html Alejandra Gonzalez-Beltran Hardy-Weinberg equilibrium test is a statistical test which aims to evaluate if a population's proportion of allele is stable or not. It is used as means of quality control to evaluate possibility of genotyping error or population structure. Philippe Rocca-Serra STATO: adapted from wikipedia (http://en.wikipedia.org/wiki/Hardy–Weinberg_principle) goodness of fit statistical test goodness of fit testing objective p-value ready for release