8×5 DataFrame
 Row │ ID     t        y          D_1        D_2
     │ Int64  Float64  Float64    Any        Any
─────┼────────────────────────────────────────────────
   1 │     1      0.0  -1.13003   -0.214162  -1.26234
   2 │     1      1.0  -0.714192  -0.214162  -1.26234
   3 │     1      2.0  -2.71662   -0.214162  -1.26234
   4 │     1      3.0  -3.8165    -0.214162  -1.26234
   5 │     1      4.0  -5.32669   -0.214162  -1.26234
   6 │     1      5.0  -6.88139   -0.214162  -1.26234
   7 │     2      0.0   1.35457   1.7395     0.133814
   8 │     2      1.0   0.923442  1.7395     0.133814