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data code

How do you know if your model is going to work? Part 3: Out of sample procedures

Continuing our guest post series!Authors: John Mount (more articles) and Nina Zumel (more articles).When fitting and selecting models in a data science project, how do you know that your final model is good? And how sure are you that…
Data

How do you know if your model is going to work? Part 2: In-training set measures

Continuing our guest post series!Authors: John Mount (more articles) and Nina Zumel (more articles).When fitting and selecting models in a data science project, how do you know that your final model is good? And how sure are you that…