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.
Eisenhower was a member there for 21 years and visited 29 times in his two terms, playing 210 rounds, according to presidential records. With a handicap ranging between 14 and 18, Eisenhower broke 80 four times at Augusta in eight years.