What is one-hot encoding?

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What is one-hot encoding?
It is a way to feed categorical data to Machine Learning models.

Why do we use one-hot encoding?
Because Machine Learning models cannot handle categorical data in its raw form.

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that's a great way to put one hot encoder.. 👏👏

Also Question from a learner:
If my model works good with one hot encoder but say my model has to classify between 2000 different types of flowers that would result in need of higher memory so what would the better approach for this... I know the alternative ways but what to know what would you do in such cases...

cartoonchan
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One Hot is good for Encoding target, but it's appropriate for features

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