What model selection methods are available in the countregFitModel action?

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Réponse

Model selection can be performed using the 'selection' parameter. The available methods ('method') include 'FORWARD', 'BACKWARD', 'STEPWISE', 'LASSO', and 'ELASTICNET'. You can control the selection process with criteria such as 'AIC', 'SBC', or significance levels ('slEntry', 'slStay').
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countregFitModel

countreg

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Other questions about countregFitModel
Can this action perform Bayesian analysis? How can I save the fitted model for future use, such as scoring? How can I obtain predicted values or other statistics for each observation? What is the purpose of the countreg.countregFitModel action? How do I handle datasets with an excess number of zero counts?
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