list( vote = c( 57.1, 16.8, 86.1, 40.8, 90.3, 35.5, 
96.7, 44.6, 9.1, 97.6, 79.2, 31.2, 70.45, 49.53, 53.16) , gnp = c( 2.42, 0.07, 
0.26, 1.42, 3.11, 2.88, 4.18, 2.33, -1.38, 3.95, 1.91, 1.46, 1.85, 2.52, 1.47) 
, approval = c( 39, 32, 69, 49, 74, 40, 56, 45, 21, 52, 51, 32, 57, 59, 47), N = 15 )