How to use

hasOffsetCol

method

in

hex.tree.SharedTree

/**
 * Compute the inital value for a given distribution
 * @return initial value
 */
protected double getInitialValue() {
 return new InitialValue(_parms).doAll(
     _response,
     hasWeightCol() ? _weights : _response.makeCon(1),
     hasOffsetCol() ? _offset : _response.makeCon(0)
 ).initialValue();
}

/**
 * Compute the inital value for a given distribution
 * @return initial value
 */
protected double getInitialValue() {
 return new InitialValue(_parms).doAll(
     _response,
     hasWeightCol() ? _weights : _response.makeCon(1),
     hasOffsetCol() ? _offset : _response.makeCon(0)
 ).initialValue();
}