1.  HIGH SCHOOL AND BEYOND.  (hsb.dat)
	A nationally representative sample of 600 high school seniors.  

	N of Cases: 600

		Total # of Defined Variable Elements: 15

		Variable Information:
	
		Name                           Position

		ID        ID NUMBER                   1

		SEX       SEX                         2
		          Value    Label
		              1    MALE
		              2    FEMALE

		RACE      * No label *                3
		          Value    Label
		              1    HISPANIC
		              2    ASIAN
		              3    BLACK
		              4    WHITE

		SES       SOCIO-ECONOMIC STATUS       4
		          Value    Label
		              1    LOWER
		              2    MIDDLE
		              3    UPPER

		SCTYP     SCHOOL TYPE                 5
		          Value    Label
		              1    PUBLIC
		              2    PRIVATE

		HSP       HIGH SCHOOL PROGRAM         6
		          Value    Label
		              1    GENERAL
		              2    ACADEMIC
		              3    VOCATIONAL

		LOCUS     LOCUS OF CONTROL            7
		
		CONCPT    SELF CONCEPT                8

		MOT       MOTIVATION                  9

		CAR       CAREER CHOICE              10
		          Value    Label
		              1    CLERICAL
		              2    CRAFTSMAN
		              3    FARMER
		              4    HOMEMAKER
		              5    LABORER
		              6    MANAGER
		              7    MILITARY
		              8    OPERATIVE
		              9    PROFESSIONAL 1
		             10    PROFESSIONAL 2
		             11    PROPRIETOR
		             12    PROTECTIVE
		             13    SALES
		             14    SCHOOL
		             15    SERVICE
		             16    TECHNICAL
		             17    NOT WORKING

		RDG       READING T-SCORE            11

		WRTG      WRITING T-SCORE            12

		MATH      MATH T-SCORE               13

		SCI       SCIENCE T-SCORE            14

		CIV       CIVICS T-SCORE             15


2.  THE CHAPMAN TEN-YEAR LONGITUDINAL STUDY OF CHOLESTEROL.  (chapman.dat)

		N of Cases: 200 Men

		Total # of Defined Variable Elements: 8

		Variable Information:

		Name                           Position

		ID        CASE #                      1

		AGE       * No label *                2

		SYSBP     SYSTOLIC BLOOD PRESSURE     3

		DIABP     DIASTOLIC BLOOD PRESSURE    4

		CHOLES    CHOLESTEROL LEVEL (MG/DL)   5

		HT        HEIGHT (inches)             6

		WT        WEIGHT (lbs.)               7

		CORON     CORONARY INCIDENT?          8
		          Value    Label
		              0    NO
		              1    YES

3.  EXERCISE STUDY.  Data on 40 subjects.  (exercise.dat)
	The pulse of each of 40 persons was taken, before and after 
	running one mile.

		N of Cases: 40

		Total # of Defined Variable Elements: 7


		Variable Information:

		Name                           Position

		ID        * No label *                1

		SEX       * No label *                2
		          Value    Label
		              1    MALE
		              2    FEMALE

		SMOKE     * No label *                3
		          Value    Label
		              0    NO
		              1    YES

		AGE       * No label *                4

		PULSE_1   PRE-EXERCISE PULSE RATE     5

		PULSE_2   POST-EXERCISE PULSE RATE    6

		NAME      * No label *                7