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
Trump Golf: How Many Times Has President Been At One Of His Golf Courses Since He's Been In Office? Since being sworn in as president in January, Donald Trump has visited a golf course that bears his name 13 times. On Sunday, Trump visited Trump National Golf Club in Sterling, Virginia, contradicting a Fox News report that he was at the White House.