actual_value predictions squared.residual
1      43.73546    45.57342       3.37807764
2      51.83643    53.40071       2.44694877
3      41.64371    41.79284       0.02223975
4      65.95281    61.97410      15.83008068
5      53.29508    54.53473       1.53673583
6      41.79532    41.68306       0.01260174
7      54.87429    54.56270       0.09708896
8      57.38325    54.44174       8.65245030
9      55.75781    54.80151       0.91450990
10     46.94612    47.78200       0.69870059

MSE   SE_MSE
1 3.358943 1.611509

MSE   SE_MSE
1 3.358943 1.611509
2 3.472887 1.680483
3 3.331932 1.614309
4 3.839267 1.537181
5 3.351095 1.630388