how to do 5 fold cross-validation for regression problem?

want to break a simple dataset such as bodyfat_dataset into 5 folds. then use the indices to perform training and testing of the dataset using fitnet.

Answer 1

[ahmed nebli]

u have to use cvpartition like this exapmple kf=5; c = cvpartition(size(data.label,1),'KFold',kf);

u can find more information about cvpartition here https://www.mathworks.com/help/stats/cvpartition.html