FAQ: Perceptron - Training Error

This community-built FAQ covers the “Training Error” exercise from the lesson “Perceptron”.

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For step 1, is it possible to get inputs, actual from training_set.items(), then pass directly to step 3?

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What is the difference between perceptron and linear regression?

Do the training set consists of -1 and +1 ? Like e.g. [-1, 1, 1, -1, -1, …]
Otherwise it would not make sense to assign its items as actual values, does it?

quite unclear that training_set is a dict. it would be better to state the type and key/value in the question steps.

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