# file33.txt # # Reference: # # John Hartigan, # Clustering Algorithms, # Wiley, 1975. # ISBN 0-471-35645-X # LC: QA278.H36 # Dewey: 519.5'3 # # Properties of some small hardware items are recorded. # # "Name" is the name of the item. # # "Th" is Y or N depending on whether the item is threaded. # # "Head" describes the head: # F = Flat # U = Cup # O = Cone # R = Round # Y = Cylinder # # "HI" reports the head indentation: # N = None # T = Star # L = Slit # # "Bot" reports the bottom: # F = flat # S = sharp # # "Len" reports the length in inches. # # "Brass" is Y if the object is brass, and N otherwise. # "Nails and Screws, Hartigan page 228" 7 columns 24 rows "Name" "Th" "H" "HI" "Bot" "Len" "Brass" "Tack" N F N S 1 N "Nail 1" N F N S 4 N "Nail 2" N F N S 2 N "Nail 3" N F N S 2 N "Nail 4" N F N S 2 N "Nail 5" N F N S 2 N "Nail 6" N U N S 5 N "Nail 7" N U N S 3 N "Nail 8" N U N S 3 N "Screw 1" Y O T S 5 N "Screw 2" Y R L S 4 N "Screw 3" Y Y L S 4 N "Screw 4" Y R L S 2 N "Screw 5" Y Y L S 2 N "Bolt 1" Y R L F 4 N "Bolt 2" Y O L F 1 N "Bolt 3" Y Y L F 1 N "Bolt 4" Y Y L F 1 N "Bolt 5" Y Y L F 1 N "Bolt 6" Y Y L F 1 N "Tack 1" N F N S 1 Y "Tack 2" N F N S 1 Y "Nail B" N F N S 1 Y "Screw B" Y O L S 1 Y