1.1 - 8.10 - AdaBoost Output - Teradata Vantage

Teradata Vantage™ - Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.1
8.10
Release Date
October 2019
Content Type
Programming Reference
Publication ID
B700-4003-079K
Language
English (United States)

The function outputs a message and a model table.

Output Message Schema

Column Data Type Description
message VARCHAR Reports the number of classification trees computed and that the AdaBoost model was created.

OutputTable Schema

This is the model table to input to AdaBoostPredict.

Column Data Type Description
classifier_id INTEGER Classifier identifier in the range [1, T].
classifier_weight INTEGER Classifier weight.
node_id INTEGER Node identifier.
node_label VARCHAR Node label.
node_majorfreq DOUBLE PRECISION The weighted sum of the objects that belong to the category identified by node_label.
attribute VARCHAR Name of the attribute.
split_value DOUBLE PRECISION Split value for numeric attributes. For categorical attributes, this column contains NaN.
left_bucket VARCHAR When the split value is a categorical attribute, the value in the left child of the node.
right_bucket VARCHAR When the split value is a categorical attribute, the value in the right child of the node.
left_label VARCHAR The output category for left child of the node.
right_label VARCHAR The output category for right child of the node.
left_majorfreq DOUBLE PRECISION The weighted sum of the objects that belong to the category identified by left_label.
right_majorfreq DOUBLE PRECISION The weighted sum of the objects that belong to the category identified by right_label.
left_label_probdist VARCHAR [Column appears only with OutputProb ('true').] Probability of each label for left child of node.
right_label_probdist VARCHAR [Column appears only with OutputProb ('true').] Probability of each label for right child of node.
prob_label_order VARCHAR [Column appears only with OutputProb ('true').] Order of probability of labels for left and right children of node.