Class imbalance and test and train accuracy scores in Dataiku

[sir]

Hi All,

1)How do I obtain test set accuracy in Dataiku? I want to make sure that I am not over fitting and my train set is accuracy is close to test set accuracy. But currently, Idon't know how to see the test set accuracy

2)What are the detailed steps to address class imbalance ? Can someone show with screenshots?

Thank you so much!

S