“…Consider the data summarized in Table 1, which were the original motivation for this article. The data give the survival percentages, separated by economic status (first class passengers, second class passengers, third class passengers, or crew), age (adult or child), and gender (male or female), for the 2,201 people on board the ocean liner Titanic when it struck on iceberg and sank on April 15, 1912(Dawson 1995. Logistic regression can be used to model these data through the use of indicator variables or effect codings.…”