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SpatialTools (version 0.4.1)

SpatialTools

Description

Tools for spatial data analysis. Emphasis on kriging. Provides functions for prediction and simulation. Intended to be relatively straightforward, fast, and flexible.

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Install

install.packages('SpatialTools')

Monthly Downloads

425

Version

0.4.1

License

GPL (>= 2)

Maintainer

Joshua French

Last Published

May 25th, 2012

Functions in SpatialTools (0.4.1)

pweights.uk

Calculates Universal Kriging weights

dist1

Calculates Euclidean distance of matrix of coordinates

cov.sp

Calculates spatial covariance

mspe.uk

Calculates mean-square prediction error of Universal Kriging predictions

krige.sk

Performs Simple Kriging

maxlik.cov.sp

Determines maximum likelihood estimates of covariance parameters

dist2

Calculates Euclidean distance between coordinates of two matrices

decomp.cov

Calculates decomposition of covariance matrix

krige.ok

Performs Ordinary Kriging

rmvnorm

Generates realizations from a multivariate normal distribution

rcondsim

Generates realizations from a conditional normal distribution

toydata

A toy data set for use in examples.

krige.uk

Performs universal kriging

cov.st

Calculates spatio-temporal covariance

condnorm.par

Calculates conditional mean and covariance matrix of multivariate normal distribution

maxlik.cov.st

Determines maximum likelihood estimates of covariance parameters

simple.cov.sp

Calculates spatial covariance based on distance matrix

simple.cov.time

Calculates temporal covariance based on distance matrix

coincident

Determine coincident locations