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geoR (version 1.9-2)

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

6,356

Version

1.9-2

License

GPL (>= 2)

Maintainer

Paulo Ribeiro Jr

Last Published

August 9th, 2022

Functions in geoR (1.9-2)

Ksat

Saturated Hydraulic Conductivity

boxcox.geodata

Box-Cox transformation for geodata objects

isaaks

Data from Isaaks and Srisvastava's book

elevation

Surface Elevations

dup.coords

Locates duplicated coordinates

krige.conv

Spatial Prediction -- Conventional Kriging

jitterDupCoords

Jitters (duplicated) coordinates.

as.geodata

Converts an Object to the Class "geodata"

kattegat

Kattegat basin salinity data

legend.krige

Add a legend to a image with kriging results

krige.bayes

Bayesian Analysis for Gaussian Geostatistical Models

predict.BGCCM

Prediction for the bivariate Gaussian common component geostatistical model

parana

Rainfall Data from Parana State, Brasil

loglik.GRF

Log-Likelihood for a Gaussian Random Field

locations.inside

Select prediction locations inside borders

output.control

Defines output options for prediction functions

krweights

Computes kriging weights

print.BGCCM

Prints an summary of of the output from likfitBGCCM.

camg

Calcium and magnesium content in soil samples

plot.xvalid

Plot Cross-Validation Results

statistics.predictive

Summary statistics from predictive distributions

proflik

Computes Profile Likelihoods

likfit

Likelihood Based Parameter Estimation for Gaussian Random Fields

subarea

Selects a Subarea from a Geodata Object

variofit

Variogram Based Parameter Estimation

read.geodata

Reads and Converts Data to geoR Format

variog

Compute Empirical Variograms

plot.variogram

Plot Empirical Variogram

sample.prior

Sample the prior distribution

coords.aniso

Geometric Anisotropy Correction

ca20

Calcium content in soil samples

boxcoxfit

Parameter Estimation for the Box-Cox Transformation

boxcox

The Box-Cox Transformed Normal Distribution

wrc

Points of a water retention curve data set

set.coords.lims

Sets Limits to Scale Plots

InvChisquare

The (Scaled) Inverse Chi-Squared Distribution

globalvar

Computes global variance

grf

Simulation of Gaussian Random Fields

hoef

Data for spatial analysis of experiments

geoR-defunct

Defunct Functions in the Package geoR

image.grf

Image, Contour or Perspective Plot of Simulated Gaussian Random Field

eyefit

Interactive Variogram Estimation

coords2coords

Operations on Coordinates

gambia

Gambia Malaria Data

head

Head observations in a regional confined aquifer

xvalid

Cross-validation by kriging

hist.krige.bayes

Plots Sample from Posterior Distributions

cov.spatial

Computes Value of the Covariance Function

matern

Computer Values of the Matern Correlation Function

lines.variogram.envelope

Adds Envelopes Lines to a Variogram Plot

lines.variogram

Line with a Empirical Variogram

lines.variomodel.likGRF

Adds a Variogram Line to a Variogram Plot

likfitBGCCM

Fits the bivariate Gaussian common component geostatistical model

lines.variomodel.grf

Lines with True Variogram for Simulated Data

lines.variomodel.krige.bayes

Adds a Bayesian Estimate of the Variogram to a Plot

lines.variomodel

Adds a Line with a Variogram Model to a Variogram Plot

image.krige.bayes

Plots Results of the Predictive Distribution

geoR-internal

geoR internal functions

lines.variomodel.variofit

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

plot.grf

Plots Variograms for Simulated Data

pars.limits

Set limits for the parameter values

soil250

Soil chemistry properties data set

soja98

Soya bean production and other variables in a uniformity trial

plot.geodata

Exploratory Geostatistical Plots

plot.krige.bayes

Plots Prior and/or Posterior Distributions

names.geodata

Lists names of the key elements of a geodata object

points.geodata

Plots Spatial Locations and Data Values

landim1

Data from Landim's book

ksline

Spatial Prediction -- Conventional Kriging

image.kriging

Image or Perspective Plot with Kriging Results

nearloc

Near location to a point

varcov.spatial

Computes Covariance Matrix and Related Results

varcovBGCCM

Covariance matrix for the bivariate Gaussian common component geostatistical model

plot.proflik

Plots Profile Likelihoods

.nlmP

Adapts nlm for Constraints in the Parameter Values

plot.variog4

Plot Directional Variograms

variog4

Computes Directional Variograms

Kriging example data from Webster and Oliver

trend.spatial

Builds the Trend Matrix

pred_grid

Generates a 2D Prediction Grid

wolfcamp

Wolfcamp Aquifer Data

tce

TCE concentrations in groundwater in a vertical cross section

practicalRange

Pratical range for correlation functions

polygrid

Coordinates of Points Inside a Polygon

s100 and s121

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

subset.geodata

Method for subsetting geodata objects

variog.mc.env

Envelops for Empirical Variograms Based on Permutation

s256i

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

wrappers

Wrappers for the C functions used in geoR

summary.geodata

Summaries for geodata object

variog.model.env

Envelops for Empirical Variograms Based on Model Parameters

sample.geodata

Sampling from geodata objects

sample.posterior

Samples from the posterior distribution

summary.likGRF

Summarizes Parameter Estimation Results for Gaussian Random Fields

summary.variofit

Summarize Results of Variogram Estimation

SIC

Spatial Interpolation Comparison data