iq {BaM} | R Documentation |
IQ data for 80 countries. See pages 93-95
data(iq)
Lynn, R. and Vanhanen, T. (2001). National IQ and Economic Development. Mankind Quarterly LXI, 415-437.
## Not run: { n <- length(iq[,1]) t.iq <- (iq[,1]-mean(iq[,1]))/(sd(iq[,1])/sqrt(n)) r.t <- (rt(100000, n-1)*(sd(iq)/sqrt(n))) + mean(iq) quantile(r.t,c(0.01,0.10,0.25,0.5,0.75,0.90,0.99)) r.sigma.sq <- 1/rgamma(100000,shape=(n-2)/2, rate=var(iq[,1])*(n-1)/2) quantile(sqrt(r.sigma.sq), c(0.01,0.10,0.25,0.5,0.75,0.90,0.99)) } ## End(Not run)