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.
So as of August 1 in the first year of each man's presidency, the score is Trump 21, Obama 11. Obamaâs first game as president was April 26, 2009. He went on to play 333 times total over his eight years, according to CBS White House Correspondent Mark Knoller, who tracked Obamaâs games.