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.
Like many presidents, Barack Obama is an eager golfer, has played 137 rounds as president. VINEYARD HAVEN, Mass. - American presidents love golf â 15 of the last 18 have played â and Barack Obama is an eager member of that club. He's played golf on four of six days since arriving on the Massachusetts island of Martha's Vineyard last Saturday.