yhat residual 4.01 0.28 5.53 -0.33 6.21 -0.21 6.85 0.24 8.17 -0.97 8.34 0.46 8.810000000000001 0.79 9.619999999999999 -1.02 10.05 1.35 10.55 -1.55 10.77 0.63 10.77 1.73 10.94 -2.14 10.98 1.92 10.98 -1.18