Week – 1 Feature preprocessing and generation with respect to models 1. Suppose we have a feature with all the values between 0 and 1 except few outliers larger than…
Week – 1 Recap of How to Win a Data Science Competition 1. What back propagation is usually used for in neural networks? 1 point To propagate signal through network…
Week – 1 Feature extraction from text and images >>> How to Win a Data Science Competition: Learn from Top Kagglers 1. Select true statements about n-grams 2 points N-grams…
Week – 2 Data leakages >>> How to Win a Data Science Competition Learn from Top Kagglers 1. Suppose that you have a credit scoring task, where you have to…
Week – 2 Validation >>> How to Win a Data Science Competition: Learn from Top Kagglers 1. Select true statements 1 point Performance increase on a fixed cross-validation split guaranties…