ElemStatLearn (version 2015.6.26.2)

countries: Country Dissimilarities

Description

Political science students were asked to give pairwise dissimilarities for 12 countries.

Usage

data(countries)

Format

The format is: num [1:12, 1:12] 0 5.58 7 7.08 4.83 2.17 6.42 3.42 2.5 6.08 ... - attr(*, "dimnames")=List of 2 ..$ : chr [1:12] "BEL" "BRA" "CHI" "CUB" ... ..$ : chr [1:12] "BEL" "BRA" "CHI" "CUB" ...

Details

These are average dissimilarities over students.

Examples

# NOT RUN {
str(countries)
colnames(countries)
rownames(countries)
if(require(MASS)){
# We use multidimensional scaling:
   if(interactive())par(ask=TRUE)
   countries.cmdscale <- cmdscale(countries, k=2, eig=TRUE)
   eqscplot(countries.cmdscale$points)
   countries.sam <- sammon(countries)
   eqscplot(countries.sam$points)
}
# }