seed 1

[1] Where the encoder is fitted. 5-fold CV on 7382 rows, then a holdout of 1846 rows
  strategy                               CV MAE  holdout MAE
  mean encoding before the split          3,977        4,696
  mean encoding in the pipeline           4,871        4,696
  TargetEncoder in the pipeline           5,228        4,833
  ~1.5 rows/ID HGB: mean 5,548  TE 5,047
seed 2

[1] Where the encoder is fitted. 5-fold CV on 7382 rows, then a holdout of 1846 rows
  strategy                               CV MAE  holdout MAE
  mean encoding before the split          3,995        4,471
  mean encoding in the pipeline           4,886        4,471
  TargetEncoder in the pipeline           5,300        4,699
  ~1.5 rows/ID HGB: mean 5,507  TE 4,968
seed 3

[1] Where the encoder is fitted. 5-fold CV on 7382 rows, then a holdout of 1846 rows
  strategy                               CV MAE  holdout MAE
  mean encoding before the split          3,957        4,378
  mean encoding in the pipeline           4,919        4,378
  TargetEncoder in the pipeline           5,175        4,754
  ~1.5 rows/ID HGB: mean 5,617  TE 5,022