The professional golfers association (pga) maintains data on performance and earnings for members of the pga tour. for the 2012 season bubba watson led all players in total driving distance, with an average of 309.2 yards per drive. some of the factors thought to influence driving distance are club head speed, ball speed, and launch angle. for the 2012 season bubba watson had an average club head speed of 124.69 miles per hour, an average ball speed of 184.98 miles per hour, and an average launch angle of 8.79 degrees.
the file named pgadrivingdist contains data on total driving distance and the factors related to driving distance for 190 members of the pga tour (pga tour website, november 1, 2012). descriptions for the variables in the data set follow.