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How can I filter the data being loaded from the source file?

You can use the 'where' parameter to specify an expression for subsetting the input data as it is being loaded.

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On: loadTable

What is missing?

specifies the missing policy to handle missing values. Default: USEINSEARCH. MACSMALL: specifies to treat the missing values for numeric variables as the smallest machine value and to treat missing values for nominal variables as a separate level. USEINSEARCH: specifies to incorporate missing values in the calculation of the worth of a splitting rule, and consequently to produce a splitting rule that associates missing values with a branch that maximizes the worth of the split.

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On: gbtreeTrain

model.attributes.vars

Specifies the variables to use in the action. The casinvardesc value can be one or more of the following: format, formattedLength, label, name (required), nfd, nfl.

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On: IdentifySpeakers

What is the purpose of the `noVars` parameter in simple.groupByInfo?

When `noVars=TRUE`, no variables are automatically copied from the input table to the output table. By default, all columns not in the `inputs`, `groupBy`, `weight`, or `frequency` parameters are copied.

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On: groupByInfo

What does 'expDateNum' return?

The 'expDateNum' result is a double. You can access the value from results.expDateNum.

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On: getLicenseInfo