Disease prevalences in cases and controls
KCC(model, GRR, p1, K)
A list of two elements,
prevlence in cases.
prevalence in controls.
# 6-6-2018 MRC-Epid JHZ
Disease model (one of "multiplicative","additive","recessive","dominant","overdominant").
genotype relative risk.
disease allele frequency.
disease prevalence in the whole population.
It is used by both tscc() and pbsize2().