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.
According to GolfSyles Magazine an avid golfer plays an average of 51 rounds per year. Over a five year period that would be 255 rounds. Casual golfers play 18-20 rounds/yr. Obama falls between casual and avid.