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Question

Compare the accuracy score from the first Decision Tree to the accuracy score after you

performed the grid search. How does it differ? It is most likely that you will find the accuracy

score has decreased. Is that what you had expected? We perform a round of grid searching

in order to elucidate the optimal hyperparameter values. Why, then, has the accuracy score

decreased? Most importantly, what caused this decrease in the accuracy score and why?

Explain your answer.

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