USCA | R Documentation |
The USCA312
dataset contains the distances between 312 cities in the
US and Canada as an object of class TSP
. USCA50
is a subset
of USCA312
containing only the first 50 cities.
USCA312
and USCA50
are objects of class TSP
.
USCA312_GPS
is a data.frame with city name, long and lat.
The USCA312_GPS
dataset contains the location (long/lat) of the 312
cities.
Michael Hahsler
John Burkardt, CITIES – City Distance Datasets, Florida State University, Department of Scientific Computing
data("USCA312")
## calculate a tour
tour <- solve_TSP(USCA312)
tour
# Visualize the tour if package maps is installed
if(require("maps")) {
library(maps)
data("USCA312_GPS")
head(USCA312_GPS)
plot((USCA312_GPS[, c("long", "lat")]), cex = .3)
map("world", col = "gray", add = TRUE)
polygon(USCA312_GPS[, c("long", "lat")][tour,], border = "red")
}
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