readme: |fold|accuracy|
  |-|-|
  | fold 0 |  0.9730504587155964 |
  | fold 1 |  0.9690366972477065 |
  | fold 2 |  0.970756880733945 |
  | fold 3 |  0.9684633027522935 |
  | fold 4 |  0.9719036697247706 |
  | OOF Acc |  0.9706422018348624 |