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Visual Statistics Procedures
 

BART Procedure

SAMPSUMMARY Statement

  • SAMPSUMMARY OUT=libref.data-table <keyword=name>…<keyword=name>;

The SAMPSUMMARY statement creates a data table that contains a summary of the sum-of-trees ensemble samples.

You must specify the following option:

OUT=libref.data-table

names the output data table for PROC BART to use. You must specify this option before any other options. libref.data-table is a two-level name, where

libref

refers to a collection of information that is defined in the LIBNAME statement and includes the library, which includes a path to where the data table is to be stored, and a session identifier, which defaults to the active session but which can be explicitly defined in the LIBNAME statement. For more information about libref, see the section Using CAS Sessions and CAS Engine Librefs.

data-table

specifies the name of the output data table.

You can also specify the following keywords:

AVGNODE<=name>

names the variable that contains the average number of nodes per tree in the sample. The default name is AvgNode.

PROPACCEPTED<=name>

names the variable that contains the proportion of accepted tree modifications for the sample. The default name is PropAccepted.

SAMPSAVED<=name>

names the variable that contains an indicator for whether the sample is saved for prediction. The default name is SampSaved.

VARIANCE<=name>

names the variable that contains the sampled variance for the normal response model. The default name is Variance.

Last updated: May 14, 2026