Updated: March 2, 2016
Returns the probability for a specified state.
PredictProbability(<scalar column reference>, [<predicted state>])
A scalar column.
A scalar value.
If the predicted state is omitted, the state that has the highest probability is used, excluding the missing states bucket. To include the missing states bucket, set the <predicted state> to INCLUDE_NULL. To return the probability for the missing states, set the <predicted state> to NULL.
The following example uses a natural prediction join to determine whether an individual is likely to be a bike buyer based on the TM Decision Tree mining model, and also determines the probability for the prediction. In this example, there are two PredictProbability functions, one for each possible value. If you omit this argument, the function returns the probability for the most likely value.
SELECT [Bike Buyer], PredictProbability([Bike Buyer], 1) AS [Bike Buyer = Yes], PredictProbability([Bike Buyer], 0) AS [Bike Buyer = No] 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
|Bike Buyer||Bike Buyer = Yes||Bike Buyer = No|