id3
Class DTCategorizer

java.lang.Object
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  +--shared.Globals
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        +--shared.Categorizer
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              +--id3.RDGCategorizer
                    |
                    +--id3.DTCategorizer

public class DTCategorizer

extends RDGCategorizer

DTCategorizer performs the same way as a RDGCategorizer, but for the DTCategorizer the associated graph must be a tree. See "RDGCat.c" for details. Assume graph exists.

Fields inherited from class id3.RDGCategorizer

hasNodeLosses, leafDistParameter, leafDistType, rcGraph

Fields inherited from class shared.Categorizer

CATEGORIZER_ID_BASE, CLASS_ATTR_CATEGORIZER, CLASS_ATTR_EQ_CATEGORIZER, CLASS_ATTR_SUBSET_CATEGORIZER, CLASS_BAD_CATEGORIZER, CLASS_BAGGING_CATEGORIZER, CLASS_CASCADE_CATEGORIZER, CLASS_CLUSTER_CATEGORIZER, CLASS_CONST_CATEGORIZER, CLASS_CONSTRUCT_CATEGORIZER, CLASS_DISC_CATEGORIZER, CLASS_DISC_NODE_CATEGORIZER, CLASS_DTREE_CATEGORIZER, CLASS_IB_CATEGORIZER, CLASS_LAZYDT_CATEGORIZER, CLASS_LEAF_CATEGORIZER, CLASS_LINDISCR_CATEGORIZER, CLASS_MAJORITY_CATEGORIZER, CLASS_MULTI_SPLIT_CATEGORIZER, CLASS_MULTITHRESH_CATEGORIZER, CLASS_NB_CATEGORIZER, CLASS_ODT_CATEGORIZER, CLASS_ONE_R_CATEGORIZER, CLASS_OPTION_CATEGORIZER, CLASS_PROJECT_CATEGORIZER, CLASS_RDG_CATEGORIZER, CLASS_STACKING_CATEGORIZER, CLASS_TABLE_CATEGORIZER, CLASS_THRESHOLD_CATEGORIZER, logOptions

Fields inherited from class shared.Globals

badCategorizer, CONFIDENCE_INTERVAL_Z, DBG, DEFAULT_DATA_EXT, DEFAULT_EPSILON, DEFAULT_EVAL_LIMIT, DEFAULT_LAMBDA, DEFAULT_MAX_EVALS, DEFAULT_MAX_STALE, DEFAULT_MIN_EXP_EVALS, DEFAULT_NAMES_EXT, DEFAULT_SAS_SEED, DEFAULT_SEARCH_METHOD, DEFAULT_SHOW_TEST_SET_PERF, DEFAULT_TEST_EXT, DISPLAY_NAMES, EMPTY_STRING, FIRST_CATEGORY_VAL, FIRST_NOMINAL_VAL, LEFT_NODE, MAX_NUM_CATEGORIES, Mcerr, Mcout, optionServer, optionsFileName, REAL_MAX, RIGHT_NODE, SHOW_TEST_SET_PERF_HELP, SINGLE_QUOTE, STORED_REAL_MAX, TS, UNDEFINED_INT, UNDEFINED_REAL, UNDEFINED_VARIANCE, UNKNOWN_AUG_CATEGORY, UNKNOWN_CATEGORY_VAL, UNKNOWN_NODE, UNKNOWN_NOMINAL_VAL, UNKNOWN_STORED_REAL_VAL, UNKNOWN_VAL_STR

Constructor Summary

DTCategorizer(DecisionTree dt, java.lang.String descr, int numCat, Schema sch)
Constructor.

Methods inherited from class id3.RDGCategorizer

adjust_real_thresholds, categorize, display_struct, num_leaves, num_nodes, num_nontrivial_leaves, num_nontrivial_nodes, rooted_cat_graph, score_from_node, score, set_leaf_dist_params, set_used_attr

Methods inherited from class shared.Categorizer

build_distr, clone, description, get_distr, get_log_level, get_log_options, get_log_stream, get_schema, has_distr, num_categories, set_description, set_distr, set_log_level, set_log_options, set_log_prefixes, set_log_stream, set_original_distr, supports_scoring, total_weight

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DTCategorizer

public DTCategorizer(DecisionTree dt,
                     java.lang.String descr,
                     int numCat,
                     Schema sch)

Constructor.

Parameters:

dt - The DecisionTree on which this categorizer will be based.

descr - A description of this categorizer.

numCat - The number of categories possible.

sch - The Schema of data this categorizer will be used on.