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[R] Is validation data used to train the model? (alien.top)

submitted 1 year ago by K_DOTES@alien.top to c/machinelearning@academy.garden

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Hi everyone

I'm a newbie in machine learning and I have a question. Is validation data used to train the model?

I know training data is used to train the model. And I read validation data is used to test the model during the training phase. But I am curious if validation data is also used for training.

If I had 10000 items in the dataset. And I split it into 7000 for training, 2000 for testing and 1000 for validation. In this case, 7000 items will be used to train the model (using training set only)? Or 8000 items will be used to train the model (using training set + validation set)?

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[–] rejectedlesbian@alien.top 1 points 1 year ago

if u don't have a test dataset than absolutely no.

sometimes people do split test/validation/train and then the validation dataset can be used for meta learning.