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• 0. X , 0. Y ... 0. Z , represent the prior probability of each level and are numbers between 0.0 and 1.0 ,
• if the level is numeric or contains special characters, that level must be enclosed within single quotation marks (for example, ‘1’=0.2 ),
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• The prior probabilities should sum to one (1.0). If they do not, all values are rescaled such that they do sum to one (1.0).
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For example, if the class variable has three levels A, B, and C, with prior probabilities of 0.2, 0.2, and 0.6, respectively, then specify A=0.2 B=0.2 C=0.6 , as shown below: