agriculture {cluster} | R Documentation |
Gross National Product (GNP) per capita and percentage of the population working in agriculture for each country belonging to the European Union in 1993.
data(agriculture)
A data frame with 12 observations on 2 variables:
[ , 1] | x | numeric | per capita GNP |
[ , 2] | y | numeric | percentage in agriculture |
The row names of the data frame indicate the countries.
The data seem to show two clusters, the “more agricultural” one consisting of Greece, Portugal, Spain, and Ireland.
Eurostat (European Statistical Agency, 1994): Cijfers en feiten: Een statistisch portret van de Europese Unie.
Anja Struyf, Mia Hubert & Peter J. Rousseeuw (1996): Clustering in an Object-Oriented Environment. Journal of Statistical Software, 1. http://www.stat.ucla.edu/journals/jss/
data(agriculture) ## Compute the dissimilarities using Euclidean metric and without ## standardization daisy(agriculture, metric = "euclidean", stand = FALSE) ## 2nd plot is similar to Figure 3 in Struyf et al (1996) plot(pam(agriculture, 2)) ## Plot similar to Figure 7 in Struyf et al (1996) ## Not run: plot(agnes(agriculture), ask = TRUE) ## Plot similar to Figure 8 in Struyf et al (1996) ## Not run: plot(diana(agriculture), ask = TRUE)