/*************************************************************************//*									 *//*		Global data for C4.5					 *//*		--------------------					 *//*									 *//*************************************************************************/extern  short		MaxAtt,		/* max att number */			MaxClass,	/* max class number */			MaxDiscrVal;	/* max discrete values for any att */extern  ItemNo		MaxItem;	/* max data item number */extern  Description	*Item;		/* data items */extern  DiscrValue	*MaxAttVal;	/* number of values for each att */extern  char		*SpecialStatus;	/* special att treatment */extern  String		*ClassName,	/* class names */		  	*AttName,	/* att names */		  	**AttValName,	/* att value names */			FileName;	/* family name of files */extern  Boolean		AllKnown;	/* true if there have been no splits					   on atts with missing values above					   the current position in the tree *//*************************************************************************//*									 *//*		Global parameters for C4.5				 *//*		--------------------------				 *//*									 *//*************************************************************************/extern  short		VERBOSITY,	/* verbosity level (0 = none) */			TRIALS;		/* number of trees to be grown */extern  Boolean		GAINRATIO,	/* true=gain ratio, false=gain */			SUBSET,		/* true if subset tests allowed */			BATCH,		/* true if windowing turned off */			UNSEENS,	/* true if to evaluate on test data */			PROBTHRESH;	/* true if to use soft thresholds */extern  ItemNo		MINOBJS,	/* minimum items each side of a cut */			WINDOW,		/* initial window size */			INCREMENT;	/* max window increment each iteration */extern  float		CF;		/* confidence limit for tree pruning */