(defstruct table
	name				;atom, the name of the data set, "titanic"
	rows				;list of Rows, all the rows from the data set.
	klasses				;list of Klasses, aka yes/no, the goal class answers
	cols				;list of Col, in this case it would have: job, age, gender, !survived etc
	results				;list of Result, nil for now(?)
)

(destruct row          			;signifies a row of data in the data set
	cells 				;list of atoms, the actual row from the data set, each atom = a value
	class				;atom, referse to yes or no for survival, aka KLASS
	utility				;number, not sure what this is used for.. 
	sortkey				;number, again idk... some sort of score?
)

(defstruct klass			;refers to the goal class, aka yes/no as to if they survived.
	name				;atom, yes or no
	(n 0)				;You know. Stores how many rows with this Klass name in Table
)

(defstruct col
	name				;atom, the name of this column
	goalp				;boolean, true if this is a class attribute
)

(defstruct (sym :include col)		;counts the number of occurences of each collumn in the data set,
	   		 		;but this means the # of males, or females, but all those are
					;stored in this variable, under the hash for "gender" etc
	(counts (make-hash))		;I'll give you one guess.
)

(defstruct (num :include col)		;Eh not sure where this is used.
	n				;number
	sum				;number
	sumsq				;number
	min				;number
	max				;number
)

#|-------------------------------------------------------------------------------
(def parameter *w* nil) 

(defstruct wme
	(goal			#\!)
	(num			#\$)
	(unknown		#\?)
	(file			"file name for data set here")
	(utility_function	#'zero)
	(!			#'defrow)
	(ready			#'sort-rows)
	(run			#'noop)
	(report			#'noop)
	table
)

(defmacro thetable	()	'(wme-table *w*))
(defmacro thetable	(&optional tbl) '(table-cols	(or ,tbl (me-table *w*))))
(defmacro thename	(&optional tbl) '(table-name	(or ,tbl (me-table *w*))))
(defmacro therows	(&optional tbl) '(table-rows	(or ,tbl (me-table *w*))))
(defmacro theklasses	(&optional tbl) '(table-klasses	(or ,tbl (me-table *w*))))

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