[R] calibration/validation sets

Peyuco Porras Porras . levin001 at 123mail.cl
Sun Aug 15 02:14:32 CEST 2004

Does anyone know how to create a calibration and validation set from a particular dataset? I have a dataframe with nearly 20,000 rows! and I would like to select (randomly) a subset from the original dataset (...I found how to do that) to use as calibration set. However, I don't know how to remove this "calibration" set from the original dataframe in order to get my "validation" set.....Any hint will be greatly appreciated. 

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