| Comment: sample names file

overweight, normal, underweight.	| class names

patient ID:	label.			| identifies the patient
first:		date.			| date of first consultation
last:		date.			| date of most recent consultation
age:		continuous.		| age is a number
height:		continuous.		| so is height (cms)..
weight:		continuous.		| .. and weight (kg)
sex:		male, female.		| a discrete attribute
bodymassindex:=	weight / height^2.	| an implicit attribute defined by a formula
tracking:=	last - first.		| another implicit attribute (days)

attributes excluded: first, last.	| do not use dates in classifiers


--------------------------------------------------------------------------------------------
Alternative form using an attribute as the class:
--------------------------------------------------------------------------------------------

| Comment: sample names file

description.				| name of class attribute

patient ID:	label.			| identifies the patient
first:		date.			| date of first consultation
last:		date.			| date of most recent consultation
age:		continuous.		| age is a number
height:		continuous.		| so is height (cms)..
weight:		continuous.		| .. and weight (kg)
sex:		male, female.		| a discrete attribute
bodymassindex:=	weight / height^2.	| an implicit attribute defined by a formula
tracking:=	last - first.		| another implicit attribute (days)
description:	overweight, normal, underweight.

attributes excluded: first, last.	| do not use dates in classifiers