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ml-recall

#cardinality

2 questions from Data & Features, Decision Trees & Ensembles

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2 questions · 2 min · score and explanations at the end

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Question 1: Short answer

easyAI-checkedData & Features

A dataset has 10,000 rows and one categorical column with 100 distinct values. If you replace that column by its one-hot encoding, how many entries (cells) are added to the dataset?

a whole number