Amazon ML will use the training set of samples several times, each time shuffling it and using the new sequence to increase prediction. It's similar to squeezing a wet piece of cloth — each time you wring it, more water comes out of it. Set by default to 10 passes, it does not hurt to set it to the maximum value of a 100 at the expense of a longer training time for the model and a higher cost of operation.
Setting the number of data passes
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