For instance, if you take an average of a 0,1 variable, the result is the proportion of 1s in the distribution. To illustrate dummy variables, consider the simple regression model for a posttest-only two-group randomized experiment.
President Barack Obama has already played nearly eight times as many rounds of golf during his presidency as President George W. Bush did throughout his eight years in office, according to noted presidential chronicler of all things numerical, CBS Newsâ Mark Knoller.
The White House Dossierâs Keith Koffler noted that Obama played golf 28 times in 2009, 30 times in 2010, and 34 times in 2011. The president Fatherâs Day round was his eighth so far in 2012. Republicans pounced.