PredictNodeId (DMX)
傳回案例分類之節點的 Node_ID。
語法
PredictNodeId(<scalar column reference>)
適用於
純量資料行。
傳回類型
<scalar expression>
範例
下列範例傳回指定的個人是否可能購買腳踏車,也傳回他們最可能存在的節點的 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
接著,您可以使用下列陳述式來判斷節點包含什麼:
SELECT
NODE_CAPTION
FROM
[TM Decision Tree].CONTENT
WHERE NODE_UNIQUE_NAME= '00000000100'