geoR (version 1.5-6)

dup.coords: Locates duplicated coordinates

Description

This funtions takes an object with 2-D coordinates and returns the positions of the duplicated coordinates.

Usage

dup.coords(x)
dup.coords.default(x)
dup.coords.geodata(x)

Arguments

x

a two column numeric matrix or data frame.

Value

• A list where each component is a vector with the positions or the rownames, if different from NULL, of the duplicates coordinates.

See Also

as.geodata

Examples

## simulating data
foo <- grf(30, cov.p=c(1, .3)) 
## forcing some duplicated locations
foo$coords[4,] <- foo$coords[14,] <- foo$coords[24,] <- foo$coords[2,]
foo$coords[17,] <- foo$coords[23,] <- foo$coords[8,]
## locations the duplicated coordinates
dup.coords(foo)