R: Nearest neighbour distances as used by Ghat()

nndistG {splancs} | R Documentation

## Nearest neighbour distances as used by Ghat()

### Description

Calculate nearest neighbour distances as used by `Ghat()`.

### Usage

    nndistG(pts)

### Arguments

`pts` | A points data set

### Value

Returns a list with components `$dists` and `$neighs`. `$dists[i]` is the distance to the nearest neighbour of point `i` in `pts,` and `$neighs[i]` is the index of the neighbour of point `i`.

### References

Rowlingson, B. and Diggle, P. 1993 Splancs: spatial point pattern analysis code in S-Plus. Computers and Geosciences, 19, 627-655; the original sources can be accessed at: https://www.maths.lancs.ac.uk/~rowlings/Splancs/. See also Bivand, R. and Gebhardt, A. 2000 Implementing functions for spatial statistical analysis using the R language. Journal of Geographical Systems, 2, 307-317.

### See Also

`nndistF`, `Fhat`, `Ghat`, `Fzero`

### Examples

    data(uganda)
    boxplot(nndistG(as.points(uganda))$dists)
    plot(ecdf(nndistG(as.points(uganda))$dists))

[Package splancs version 2.01-43 Index]