How would you split a dataset into training and testing sets using Scikit-learn?

  • dataset_split(data, 0.2)
  • split_data(data, train=0.8, test=0.2)
  • train_and_test(data, test_ratio=0.2)
  • train_test_split(data, test_size=0.2)
You would use the train_test_split function from Scikit-learn to split a dataset into training and testing sets. It's a common practice in machine learning to use an 80-20 or 70-30 train-test split to evaluate model performance. The other options are not valid functions in Scikit-learn.
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