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
âI donât play much golf though lately,â he told Dr. Oz, adding, âWe have a president who plays so much golf he could be on the PGA Tour.â. Trump did brag about having won many club championships and claimed that he is a better golfer today than he was 15 or 20 years ago. The production team at Dr. Oz didn't immediately return GOLF.com's request for clarification.