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
Obama has played more than 1,100 hours of golf as president â here's what that looks like. On the last day of President Barack Obama's sixth summer holiday at Martha's Vineyard, he played the ninth and final round of his 17-day vacation â about one every other day. America's 54-year-old commander in chief has played about 247 rounds of golf, according to CNN's State of the Union broadcast. CBS News White House correspondent Mark Knoller estimates Obama has spent more than 1,100 hours on the links, which CNN says puts him on par with avid golfer President Dwight D. Eisenhower.