Record Sampling Options

 

First n records

Use this method to select a predefined number of records from the beginning of the database. Enter the number of records that will be selected.

 

Every n records

Use this method to select every nth record from the database. Enter the value to specify the gap between successive records that are selected.

 

Random n records

Use this method to select a predefined number of records, at random, from the database. Enter the number of records that will be selected at random.

 

Seed

Allows the seed for the random number generator to be changed using the RNG Seed Dialog. This will select a different set of records where the Random method is chosen.

 

Output sampled records

This option outputs the records defined in the sampling options; this is commonly referred to as the training set.

 

Output remaining records

This option outputs the records that are left after removing the sampled records; this is commonly referred to as the testing set.