age <- c( 20, 23, 24, 25, 25, 26, 26, 28, 28, 29, 30, 30, 30, 30, 30, 30, 32, 32, 33, 33, 34, 34, 34, 34, 34, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 42, 42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49, 49, 50, 50, 51, 52, 52, 53, 53, 54, 55, 55, 55, 56, 56, 56, 57, 57, 57, 57, 57, 57, 58, 58, 58, 59, 59, 60, 60, 61, 62, 62, 63, 64, 64, 65, 69) CHD <- c( 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0, 1 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 1, 0 , 0 , 0 , 0 , 1 , 0 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 1 , 0, 0 , 1 , 1 , 0 , 1 , 0 , 1 , 0 , 0 , 1 , 0 , 1 , 1 , 0 , 0 , 1 , 0, 1 , 0 , 0 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 1 , 1, 1 , 1 , 0 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1 , 1 , 1 , 0 , 1 , 1 , 1)