Data from the New Geographical Digest (1986) analyzed in Cox and Cox (2001). For 20 countries their main trading partners were dichotomously scored (1 = trade performed, 0 = trade not performed).
Based on this dichotomous matrix the dissimilarities were computed using the Jaccard coefficient.
Usage
data(trading)
Arguments
Format
Object of class "dist" with dissimilarities of the following countries:
Arge: Argentina
Aust: Australia
Braz: Brazil
Cana: Canada
Chin: China
Czec: Czechoslovakia
Egyp: Egypt
E.Ge: East Germany
Fran: France
Hung: Hungary
Indi: India
Ital: Italy
Japa: Japan
N.Ze: New Zealand
Pola: Poland
Swed: Sweden
USA
USSR: Soviet Union
U.K.: United Kingdom
W.Ge: West Germany
References
Cox, T.F., Cox, M.A.A. (1991). Multidimensional scaling on a sphere. Communications in Statistics: Theory and Methods, 20, 2943-2953.