inst/snippets/Exploration1.3.8.R

mean(~ prop, data = Tim.null)
sd <- sd(~ prop, data = Tim.null); sd # assign the standard deviation to sd
z <- (0.6 - 0.5) / sd; z # z-score using the assigned sd
rpruim/ISIwithR documentation built on May 28, 2019, 1:30 a.m.