SELECT * FROM TextClassifierTrainer ( ON (SELECT 1) PARTITION BY 1 [ Domain ('host:port') ] [ Database ('db_name') ] [ UserID ('user_id') ] [ Password ('password') ] [ SSLSettings ('SSLsettings') ] [ SSLTrustStorePassword ('SSLtruststorepassword') ] InputTable ('input_table') TextColumn ('text_column') CategoryColumn ('category_column') ModelFile ('model_file') ClassifierType ({ 'KNN' | 'MaxEnt' }) [ ClassifierParameters ('name:value' [,...]) ] [ NLPParameters ('name:value' [,...]) ] [ FeatureSelectionMethod ('DF:[{ min:max | min: | :max }]') ] );
In the FeatureSelection argument, you must type the brackets. They do not indicate that their contents are optional.