Randomly generated data for direct standardization example. Sex was drawn from a Bernoulli distribution, and age was drawn from a uniform distribution on \(10,\ldots,60\). The response was drawn from a normal distribution with a mean that depends on sex and age, and a variance of 1.
dspopA data frame with 1000 rows and 3 variables:
Response variable
Sex of individual, coded male (0) and female (1)
Age of individual