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.
Not nearly as much as Obama will with the pace he is at. Bush played golf 24 times his entire presidency. Obama as of March 15, 2011 has played 61 times. Edit: Obama as of J â¦ une 18, 2012 has played 100 times.