how can we know the model is underfit ?

Hendra123

how can we know the model is underfit ?

Caperez

Hi @Hendra123,
please check this post:
https://community.rapidminer.com/discussion/54538/is-there-any-method-to-check-if-a-model-has-overfit

In resume the two main tools are common sense, and operators to measure your model against test and validation datasets. 

Best, 

César