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Update answer to validation split Q in FAQ

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Francois Chollet 2016-12-12 15:56:56 -08:00
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docs/templates/getting-started/faq.md vendored
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@ -226,8 +226,9 @@ Find out more in the [callbacks documentation](/callbacks).
### How is the validation split computed?
If you set the `validation_split` argument in `model.fit` to e.g. 0.1, then the validation data used will be the *last 10%* of the data. If you set it to 0.25, it will be the last 25% of the data, etc.
If you set the `validation_split` argument in `model.fit` to e.g. 0.1, then the validation data used will be the *last 10%* of the data. If you set it to 0.25, it will be the last 25% of the data, etc. Note that the data isn't shuffled before extracting the validation split, so the validation is literally just the *last* x% of samples in the input you passed.
The same validation set is used for all epochs (within a same call to `fit`).
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