readme: |fold|accuracy|
  |-|-|
  | fold 0 |  0.9753440366972477 |
  | fold 1 |  0.9678899082568807 |
  | fold 2 |  0.9747706422018348 |
  | fold 3 |  0.9690366972477065 |
  | fold 4 |  0.9759174311926605 |
  | OOF Acc |  0.9725917431192661 |