If you have a nominal variable that has more than two levels, you need to create multiple dummy variables to take the place of the original nominal variable. For example, imagine that you wanted to predict depression from year in school: freshman, sophomore, junior, or senior.
Washington Post, Redskinsâ Kirk Cousins played a round of golf with President Trump, June 14, 2017. The Hill, Trump plays 18 holes of golf at Virginia club, June 25, 2017. Washington Post, Trump had a terrible July, but at least he played a lot of golf, July 31, 2017. Washington Post, Trump seen at his N.J. golf course, Aug. 7, 2017
Dwight Eisenhower, who played nearly 800 rounds during his two terms. That's around 100 rounds a year, and an average of about two rounds a week. He once played every single day for eighteen days in a row. No surprise he was later elected to the World Golf Hall of Fame. 17 people found this useful.