Exercise

Random search with mlr

Now, you are going to perform hyperparameter tuning with random search. You will prepare the different functions and objects you need to tune your model in the next exercise.

The knowledge_train_data dataset has already been loaded for you, as have the packages mlr, tidyverse and tictoc. Remember to look into the function that lists all learners if you are unsure about the name of a learner.

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XP

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Get the parameter set for neural networks of the nnet package.