Has nobody in this thread heard of https://en.m.wikipedia.org/wiki/Cross-validation_(statistics) https://en.m.wikipedia.org/wiki/Cross-validation_(statistics...

Has nobody in this thread heard of https://en.m.wikipedia.org/wiki/Cross-validation_(statistics) https://en.m.wikipedia.org/wiki/Cross-validation_(statistics... Every ml tutorial start with splitting your data in into a training set and validation set.