Distance-squared from a number of points to a number of sources

Computes the distance-squared from a number of points to a number of sources.

dsquare(pts, srcs, namepref="d")

Arguments

pts

A number of points representing the locations of cases and controls.

srcs

A number of points representing source locations

namepref

A prefix given to the name of the results.

Value

A data frame with the same number of columns as srcs. The column names will be the value of namepref prefixing the numbers from 1 to the number of sources.

See also

tribble, triblik

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.