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KwickClips Python · 42 sec · free

Which method makes the model learn?

Short answer. fit().

What does score() return for a classifier?

The accuracy, the fraction of correct answers.

Remember

fit learns, predict answers
score gives accuracy

Every scikit learn model uses three words. M is the model. Fit learns from training data. Predict guesses test answers. Score gives accuracy, like zero point nine. Two rules. Fit learns, predict answers. Score gives accuracy.

This clip is from the full lesson: Machine Learning in Python with Scikit-learn — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 11 Artificial Intelligence (843)

More KwickClips from this lesson

Four things scikit-learn provides: datasets, models, a split function and metrics.What do you install and what do you import?44 secData split into a training portion the model learns from and a hidden test portion.Why keep a test set hidden?41 secThree questions to ask about a model score, with a per-species table of where the mistakes were.What does random guessing give with three species?40 sec
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