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PredictNodeId

返回事例所属的节点的 Node_ID。

语法

PredictNodeId(<scalar column reference>)

适用范围

标量列。

返回类型

<scalar expression>

示例

以下示例返回指定的个人是否可能购买自行车，并且还返回个人最可能属于的节点的 nodeID。

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

然后，您可以使用以下语句确定该节点中包含的内容：

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