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Sample construction settings

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You change these settings to affect the Sample construction step of the predictive model configuration process that is described in Constructing a sample. The settings include the names of the sections that are displayed for the step and the default values for particular options.

Setting Description
Sampling method
Uniform sampling Create a sample with cases of equal probability that are randomly selected from the data source. You can set the sample size using percentage or number of cases.
Stratified sampling Create a sample using a different probability for each value of a selected field.
Validation Set the percentage of cases retained for data set validation and testing.

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