geoR (version 1.9-4)

Analysis of Geostatistical Data

Description

Geostatistical analysis including variogram-based, likelihood-based and Bayesian methods. Software companion for Diggle and Ribeiro (2007) .

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Version

Install

install.packages('geoR')

Monthly Downloads

6,349

Version

1.9-4

License

GPL (>= 2)

Maintainer

Paulo Ribeiro Jr

Last Published

February 15th, 2024

Functions in geoR (1.9-4)

hoef

Data for spatial analysis of experiments

coords2coords

Operations on Coordinates

isaaks

Data from Isaaks and Srisvastava's book

jitterDupCoords

Jitters (duplicated) coordinates.

gambia

Gambia Malaria Data

image.grf

Image, Contour or Perspective Plot of Simulated Gaussian Random Field

krige.conv

Spatial Prediction -- Conventional Kriging

likfitBGCCM

Fits the bivariate Gaussian common component geostatistical model

hist.krige.bayes

Plots Sample from Posterior Distributions

krweights

Computes kriging weights

head

Head observations in a regional confined aquifer

eyefit

Interactive Variogram Estimation

lines.variomodel.krige.bayes

Adds a Bayesian Estimate of the Variogram to a Plot

lines.variogram

Line with a Empirical Variogram

lines.variogram.envelope

Adds Envelopes Lines to a Variogram Plot

nearloc

Near location to a point

pars.limits

Set limits for the parameter values

kattegat

Kattegat basin salinity data

image.krige.bayes

Plots Results of the Predictive Distribution

ksline

Spatial Prediction -- Conventional Kriging

image.kriging

Image or Perspective Plot with Kriging Results

cov.spatial

Computes Value of the Covariance Function

.nlmP

Adapts nlm for Constraints in the Parameter Values

landim1

Data from Landim's book

plot.geodata

Exploratory Geostatistical Plots

krige.bayes

Bayesian Analysis for Gaussian Geostatistical Models

lines.variomodel.likGRF

Adds a Variogram Line to a Variogram Plot

names.geodata

Lists names of the key elements of a geodata object

legend.krige

Add a legend to a image with kriging results

matern

Computer Values of the Matern Correlation Function

plot.xvalid

Plot Cross-Validation Results

lines.variomodel.variofit

Adds a Line with a Fitted Variogram Model to a Variogram Plot

plot.variogram

Plot Empirical Variogram

proflik

Computes Profile Likelihoods

likfit

Likelihood Based Parameter Estimation for Gaussian Random Fields

practicalRange

Pratical range for correlation functions

read.geodata

Reads and Converts Data to geoR Format

sample.geodata

Sampling from geodata objects

s256i

Simulated Data-Set which Illustrate the Usage of krige.bayes

lines.variomodel

Adds a Line with a Variogram Model to a Variogram Plot

variog

Compute Empirical Variograms

rongelap

Radionuclide Concentrations on Rongelap Island

variog.mc.env

Envelops for Empirical Variograms Based on Permutation

plot.krige.bayes

Plots Prior and/or Posterior Distributions

plot.grf

Plots Variograms for Simulated Data

wrappers

Wrappers for the C functions used in geoR

subarea

Selects a Subarea from a Geodata Object

pred_grid

Generates a 2D Prediction Grid

wrc

Points of a water retention curve data set

s100 and s121

Simulated Data-Sets which Illustrate the Usage of the Package geoR

lines.variomodel.grf

Lines with True Variogram for Simulated Data

varcovBGCCM

Covariance matrix for the bivariate Gaussian common component geostatistical model

variog.model.env

Envelops for Empirical Variograms Based on Model Parameters

variofit

Variogram Based Parameter Estimation

subset.geodata

Method for subsetting geodata objects

output.control

Defines output options for prediction functions

summary.variofit

Summarize Results of Variogram Estimation

tce

TCE concentrations in groundwater in a vertical cross section

locations.inside

Select prediction locations inside borders

xvalid

Cross-validation by kriging

variog4

Computes Directional Variograms

parana

Rainfall Data from Parana State, Brasil

predict.BGCCM

Prediction for the bivariate Gaussian common component geostatistical model

set.coords.lims

Sets Limits to Scale Plots

loglik.GRF

Log-Likelihood for a Gaussian Random Field

print.BGCCM

Prints an summary of of the output from likfitBGCCM.

soja98

Soya bean production and other variables in a uniformity trial

plot.proflik

Plots Profile Likelihoods

statistics.predictive

Summary statistics from predictive distributions

plot.variog4

Plot Directional Variograms

soil250

Soil chemistry properties data set

Kriging example data from Webster and Oliver

wolfcamp

Wolfcamp Aquifer Data

trend.spatial

Builds the Trend Matrix

points.geodata

Plots Spatial Locations and Data Values

polygrid

Coordinates of Points Inside a Polygon

varcov.spatial

Computes Covariance Matrix and Related Results

sample.posterior

Samples from the posterior distribution

summary.likGRF

Summarizes Parameter Estimation Results for Gaussian Random Fields

summary.geodata

Summaries for geodata object

sample.prior

Sample the prior distribution

SIC

Spatial Interpolation Comparison data

coords.aniso

Geometric Anisotropy Correction

ca20

Calcium content in soil samples

Ksat

Saturated Hydraulic Conductivity

boxcox

The Box-Cox Transformed Normal Distribution

boxcox.geodata

Box-Cox transformation for geodata objects

as.geodata

Converts an Object to the Class "geodata"

InvChisquare

The (Scaled) Inverse Chi-Squared Distribution

dup.coords

Locates duplicated coordinates

globalvar

Computes global variance

geoR-defunct

Defunct Functions in the Package geoR

grf

Simulation of Gaussian Random Fields

geoR-internal

geoR internal functions

camg

Calcium and magnesium content in soil samples

boxcoxfit

Parameter Estimation for the Box-Cox Transformation

elevation

Surface Elevations