# file11.txt # # Reference: # # John Hartigan, # Clustering Algorithms, # Wiley, 1975. # ISBN 0-471-35645-X # LC: QA278.H36 # Dewey: 519.5'3 # # Data about the planets was recorded. # # "Name" is the name of the planet. # # "Distance" is its distance from the sun in thousands of miles. # # "Diameter" is its diameter in miles. # # "Period" is the period of its orbit in HOURS. # # "Mass" is the mass, relative to the earth. # "Achievement Test Scores, New Haven Schools, Hartigan page 122" 5 columns 9 rows "Name" "Distance" "Diameter" "Period" "Mass" "Mercury" 35950 3100 2112 0.054 "Venus" 67180 7700 5393 0.81 "Earth" 92900 7927 8766 1.00 "Mars" 141500 4190 16488 0.11 "Jupiter" 483200 88640 103911 316.94 "Saturn" 886000 74100 258420 95.20 "Uranus" 1782000 32000 1445400 17.20 "Pluto" 3670000 ? 2172480 ?