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PredictNodeId (DMX)

Returns the Node_ID of the node to which the case is classified.

Składnia

PredictNodeId(<scalar column reference>)

Applies To

A scalar column.

Return Type

<scalar expression>

Examples

The following example returns whether the specified individual is likely to buy a bicycle, and also returns the nodeID of the node that they are most likely to be part of.

SELECT
  [Bike Buyer],
  PredictNodeId([Bike Buyer])
From
  [TM Decision Tree]
NATURAL PREDICTION JOIN
(SELECT 28 AS [Age],
  '2-5 Miles' AS [Commute Distance],
  'Graduate Degree' AS [Education],
  0 AS [Number Cars Owned],
  0 AS [Number Children At Home]) AS t

You could then use the following statement to determine what is contained within the node:

SELECT 
  NODE_CAPTION 
FROM 
  [TM Decision Tree].CONTENT
WHERE NODE_UNIQUE_NAME= '00000000100' 

Zobacz także

Odwołanie

Data Mining Extensions (DMX) Function Reference

Functions (DMX)

General Prediction Functions (DMX)