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Information for "baseball.txt"

VARIABLE DESCRIPTIONS:
Columns
 1 -  4  Salary (in thousands of dollars)
 6 - 10  Batting average
12 - 16  On-base percentage (OBP)
18 - 20  Number of runs
22 - 24  Number of hits
26 - 27  Number of doubles
29 - 30  Number of triples
32 - 33  Number of home runs
35 - 37  Number of runs batted in (RBI)
39 - 41  Number of walks
43 - 45  Number of strike-outs
47 - 48  Number of stolen bases
50 - 51  Number of errors
     53  Indicator of "free agency eligibility"
     55  Indicator of "free agent in 1991/2"
     57  Indicator of "arbitration eligibility"
     59  Indicator of "arbitration in 1991/2"
61 - 79  Player's name (in quotation marks)

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Information for "body.txt"

VARIABLE DESCRIPTIONS:

Columns     Variable

            Skeletal Measurements:

   1 -  4   Biacromial diameter (see Fig. 2) 
   6 -  9   Biiliac diameter, or "pelvic breadth" (see Fig. 2)
  11 - 14   Bitrochanteric diameter (see Fig. 2)
  16 - 19   Chest depth between spine and sternum at nipple level, 
            mid-expiration
  21 - 24   Chest diameter at nipple level, mid-expiration
  26 - 29   Elbow diameter, sum of two elbows
  31 - 34   Wrist diameter, sum of two wrists
  36 - 39   Knee diameter, sum of two knees
  41 - 44   Ankle diameter, sum of two ankles

            Girth Measurements:

  46 - 50   Shoulder girth over deltoid muscles
  52 - 56   Chest girth, nipple line in males and just above breast 
            tissue in females, mid-expiration
  58 - 62   Waist girth, narrowest part of torso below the rib cage, 
            average of contracted and relaxed position
  64 - 68   Navel (or "Abdominal") girth at umbilicus and iliac crest, 
            iliac crest as a landmark
  70 - 74   Hip girth at level of bitrochanteric diameter
  76 - 79   Thigh girth below gluteal fold, average of right and left 
            girths
  81 - 84   Bicep girth, flexed, average of right and left girths
  86 - 89   Forearm girth, extended, palm up, average of right and 
            left girths
  91 - 94   Knee girth over patella, slightly flexed position, average 
            of right and left girths
  96 - 99   Calf maximum girth, average of right and left girths
 101 -104   Ankle minimum girth, average of right and left girths
 106 -109   Wrist minimum girth, average of right and left girths

            Other Measurements:

 111-114    Age (years)
 116-120    Weight (kg)
 122-126    Height (cm)
 128        Gender (1 - male, 0 - female)

The first 21 variables are all measured in centimeters (cm).

Values are separated by blanks. There are no missing values.

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Information for "cars2004.txt"

VARIABLE DESCRIPTIONS:

Columns	Variables
  1- 45	Vehicle Name
 47		Sports Car? (1=yes, 0=no)
 49		Sport Utility Vehicle? (1=yes, 0=no)
 51		Wagon? (1=yes, 0=no)
 53		Minivan? (1=yes, 0=no)
 55		Pickup? (1=yes, 0=no)
 57		All-Wheel Drive? (1=yes, 0=no)
 59		Rear-Wheel Drive? (1=yes, 0=no)
 61- 66	Suggested Retail Price, what the manufacturer thinks the
		vehicle is worth, including adequate profit for the
		automaker and the dealer (U.S. Dollars)
 68- 73	Dealer Cost (or "invoice price"), what the dealership pays
		the manufacturer (U.S. Dollars)
 75- 77	Engine Size (liters)
 79- 80	Number of Cylinders (=-1 if rotary engine)
 82- 84	Horsepower
 86- 87	City Miles Per Gallon
 89- 90	Highway Miles Per Gallon
 92- 95	Weight (Pounds)
 97- 99	Wheel Base (inches)
101-103	Length (inches)
105-106	Width (inches)

Values are aligned and delimited with blanks.
Missing values are denoted with *.

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Information for "kidsfeet.txt"

VARIABLE DESCRIPTIONS:

1. Birthdate: month and year  (data were collected in October 1997)
2. Length of longer foot (cm)
3. Width of longer foot (cm), measured at widest part of foot
4. Sex: boy or girl
5. Foot measured (right or left)
6. Right- or left-handedness

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Information for "sat.txt"

VARIABLE DESCRIPTIONS: 
Columns
 1 - 16     Name of state (in quotation marks)
18 - 22     Current expenditure per pupil in average daily attendance 
            in public elementary and secondary schools, 1994-95 
            (in thousands of dollars)
24 - 27     Average pupil/teacher ratio in public elementary and 
            secondary schools, Fall 1994
29 - 34     Estimated average annual salary of teachers in public 
            elementary and secondary schools, 1994-95 (in thousands of 
            dollars)
36 - 37     Percentage of all eligible students taking the SAT, 1994-95
39 - 41     Average verbal SAT score, 1994-95
43 - 45     Average math SAT score, 1994-95
47 - 50     Average total score on the SAT, 1994-95 

The data are aligned and delimited by blanks.  There are no missing 
values.

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