How does the action handle missing values in predictor variables?

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Réponse

The 'missing' parameter controls this. The default is 'SEPARATE', which treats missing values as a distinct group. Other options include 'NONE' (excludes observations with missing values), 'MACBIG' (treats missing as the largest machine value), and 'MACSMALL' (treats missing as the smallest machine value).

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bartProbit

bart

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What are the burn-in and sampling iterations and how are they controlled? What is the primary function of the bart.bartProbit action? How can I specify the number of trees in the model? Can I save the trained model for later use?

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