#  file20.txt
#
#  Reference:
#
#    John Hartigan,
#    Clustering Algorithms,
#    Wiley, 1975.
#    ISBN 0-471-35645-X
#    LC: QA278.H36
#    Dewey: 519.5'3
#
#  "Model" is the car model
#
#  "BR" "FU" "EL" "EX" "ST" "EM" "RS" "RA" "RU" "SA" "TC" "WA" "OT" are
#  the types of repairs, "brake system", "fuel system", "electrical",
#  "exhaust", "steering", "engine, mechanical", "rattles and squeaks",
#  "rear axle", "rust", "shock absorbers", "transmission, clutch", 
#  "wheel alignment", and "other".
#
#  A value of "+" means greater than average repairs reported, and
#  "-" means less than average.
#
"Frequency of Car Repairs, Hartigan page 174"
14 columns
33 rows
"Model"  "BR" "FU" "EL" "EX" "ST" "EM" "RS" "RA" "RU" "SA" "TC" "WA" "OT"
"AMC Ambassador 8" + - - -  - - - +  - - - -  -
"Buick Special 6"  - - - -  - - + -  + - - -  +
"Buick Special 8"  - - - -  - - + -  - + - +  +
"Buick 8 Full"     - - - +  - + + -  + + - +  -
"Buick Riviera"    - - + +  - - - -  - + - -  -
"Chevy II"         - + - -  + - + +  + - - +  -
"Chevelle 6"       - - - -  - + + -  + - - -  -
"Chevelle 8"       - + - +  + - + -  + + - +  -
"Chevrolet Full"   - + + +  + - + +  + + + +  -
"Corvair 6"        - + - -  + + - +  - + + +  +
"Corvette"         - - - +  - - + +  - - + -  -
"Chrysler Newport" + - - -  - - - -  - - - -  -
"New Yorker"       + - - -  - - - +  - - - -  +
"Dodge Full Size"  + - - -  - - + -  - + - -  -
"Falcon 6"         - - - -  - - + -  - - + +  -
"Fairlane 6"       - - - -  - - + -  - - - -  -
"Fairlane 8"       - - - +  - - + +  - - - +  -
"Ford Full Size"   - - - +  + - - -  - + - +  +
"Thunderbird"      - - + -  + + - -  - - - +  +
"Mercury Full"     - - - -  - - - -  - - - +  -
"Olds Full"        + + - -  - - + -  - + - +  -
"Plymouth Full"    + - - -  - - - -  - - - -  -
"Pontiac Tempest"  - + - -  - - + -  + + - +  -
"Pontiac Full"     + + + -  - - + -  + + - +  -
"Rambler Rebel 6"  - - + -  - - - +  - - + -  +
"Mercedes"         - - - -  - - - -  - + - -  -
"MG 1100"          - - + +  - - - -  - - - -  -
"Peugeot"          - - - -  - - - -  - - + -  -
"Porsche"          - - - -  - - - -  - - - -  -
"Renault"          - - - -  - - - -  - - + -  -
"Volvo"            - - - +  - - - +  - - - -  -
"VW bug"           + - + +  + + - -  - - + -  -
"VW bus"           - - + -  - + - -  + - + -  -