a cross-section from 2000
number of observations : 308
observation : goods
country : Singapore
A dataframe containing :
weight of diamond stones in carat unit
a factor with levels (D,E,F,G,H,I)
a factor with levels (IF,VVS1,VVS2,VS1,VS2)
certification body, a factor with levels (GIA,IGI,HRD)
price in Singapore \$
Chu, Singfat (2001) “Pricing the C's of Diamond Stones”, Journal of Statistics Education, 9(2).
Journal of Statistics Education's data archive : http://www.amstat.org/publications/jse/jse_data_archive.htm.
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