Why do we split data into train test and validation sets? @misraturp
Why do we split data into train test and validation sets? @misraturp
Uploaded February 2023 | Updated September 2026, 1 hour ago
To train machine learning models we need to provide the model with a training and testing set. And sometimes even a validation set. These terms tend to be used interchangeably causing confusion. So once and for all, let's learn what each of these data splits do and how they contribute to model development.

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Why do we split data into train test and validation sets?

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