7.3 Data Preparation for Text Features

The model details view for text features is DM$VXmodel_name.

The text feature view DM$VXmodel_name describes the extracted text features if there are text attributes present. The view has the following schema:

Name                                Type
 --------------            ---------------------
 PARTITION_NAME                     VARCHAR2(128)
 COLUMN_NAME                        VARCHAR2(128)
 TOKEN                              VARCHAR2(4000)
 DOCUMENT_FREQUENCY                 NUMBER

Table 7-1 Text Feature View for Extracted Text Features

Column Name	Description
PARTITION_NAME	A partition in a partitioned model to retrieve details
COLUMN_NAME	Name of the identifier column
TOKEN	Text token which is usually a word or stemmed word
DOCUMENT_FREQUENCY	A measure of token frequency in the entire training set