Question: Explain the difference between a training data set and a validation data set. Why are these data sets used routinely with data mining techniques in

Explain the difference between a training data set and a validation data set. Why are these data sets used routinely with data mining techniques in the XLMiner* program and not used in the ForecastX™ program? Is there, in fact, a similar technique presented in a previous chapter that is much the same as partitioning a data set?

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