Ben Chuanlong Du's Blog

It is never too late to learn.

Cross Validation in Machine Learning

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Training and Testing Data Set

  • good when you have large amount of data

  • usually use 1/5 to 1/3 of the data as testing data set.

K-fold CV

  • suitable when …