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geoR (version 1.7-2)

Analysis of geostatistical data

Description

Geostatistical analysis including traditional, likelihood-based and Bayesian methods.

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Version

Install

install.packages('geoR')

Monthly Downloads

7,172

Version

1.7-2

License

GPL (>= 2)

Maintainer

Paulo Ribeiro Jr

Last Published

February 2nd, 2012

Functions in geoR (1.7-2)

as.geodata

Converts an Object to the Class "geodata"

dup.coords

Locates duplicated coordinates

cov.spatial

Computes Value of the Covariance Function

subarea

Selects a Subarea from a Geodata Object

eyefit

Interactive Variogram Estimation

elevation

Surface Elevations

.nlmP

Adapts nlm for Constraints in the Parameter Values

ksline

Spatial Prediction -- Conventional Kriging

head

Head observations in a regional confined aquifer

krige.bayes

Bayesian Analysis for Gaussian Geostatistical Models

image.krige.bayes

Plots Results of the Predictive Distribution

s256i

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

set.coords.lims

Sets Limits to Scale Plots

InvChisquare

The (Scaled) Inverse Chi-Squared Distribution

sample.geodata

Sampling from geodata objects

soil250

Soil chemistry properties data set

krweights

Computes kriging weights

boxcox

The Box-Cox Transformed Normal Distribution

grf

Simulation of Gaussian Random Fields

ca20

Calcium content in soil samples

geoR-internal

geoR internal functions

boxcox.geodata

Box-Cox transformation for geodata objects

krige.conv

Spatial Prediction -- Conventional Kriging

lines.variomodel.variofit

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

parana

Rainfall Data from Parana State, Brasil

summary.variofit

Summarize Results of Variogram Estimation

likfitBGCCM

Fits the bivariate Gaussian common component geostatistical model

xvalid

Cross-validation by kriging

variog4

Computes Directional Variograms

statistics.predictive

Summary statistics from predictive distributions

globalvar

Computes global variance

hist.krige.bayes

Plots Sample from Posterior Distributions

s100 and s121

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

lines.variogram.envelope

Adds Envelopes Lines to a Variogram Plot

tce

TCE concentrations in groundwater in a vertical cross section

jitterDupCoords

Jitters (duplicated) coordinates.

legend.krige

Add a legend to a image with kriging results

variog.mc.env

Envelops for Empirical Variograms Based on Permutation

coords.aniso

Geometric Anisotropy Correction

sample.posterior

Samples from the posterior distribution

lines.variogram

Line with a Empirical Variogram

wrappers

Wrappers for the C functions used in geoR

gambia

Gambia Malaria Data

sample.prior

Sample the prior distribution

image.grf

Image, Contour or Perspective Plot of Simulated Gaussian Random Field

locations.inside

Select prediction locations inside borders

proflik

Computes Profile Likelihoods

plot.proflik

Plots Profile Likelihoods

nearloc

Near location to a point

plot.variogram

Plot Empirical Variogram

plot.krige.bayes

Plots Prior and/or Posterior Distributions

wrc

Points of a water retention curve data set

varcov.spatial

Computes Covariance Matrix and Related Results

points.geodata

Plots Spatial Locations and Data Values

pars.limits

Set limits for the parameter values

landim1

Data from Landim's book

polygrid

Coordinates of Points Inside a Polygon

plot.xvalid

Plot Cross-Validation Results

output.control

Defines output options for prediction functions

matern

Computer Values of the Matern Correlation Function

practicalRange

Pratical range for correlation functions

predict.BGCCM

Prediction for the bivariate Gaussian common component geostatistical model

print.BGCCM

Prints an summary of of the output from likfitBGCCM.

summary.likGRF

Summarizes Parameter Estimation Results for Gaussian Random Fields

camg

Calcium and magnesium content in soil samples

variog

Compute Empirical Variograms

trend.spatial

Builds the Trend Matrix

likfit

Likelihood Based Parameter Estimation for Gaussian Random Fields

summary.geodata

Summaries for geodata object

names.geodata

Lists names of the key elements of a geodata object

lines.variomodel.likGRF

Adds a Variogram Line to a Variogram Plot

SIC

Spatial Interpolation Comparison data

geoR-defunct

Defunct Functions in the Package geoR

wolfcamp

Wolfcamp Aquifer Data

lines.variomodel.grf

Lines with True Variogram for Simulated Data

lines.variomodel

Adds a Line with a Variogram Model to a Variogram Plot

variog.model.env

Envelops for Empirical Variograms Based on Model Parameters

plot.variog4

Plot Directional Variograms

boxcoxfit

Parameter Estimation for the Box-Cox Transformation

hoef

Data for spatial analysis of experiments

kattegat

Kattegat basin salinity data

loglik.GRF

Log-Likelihood for a Gaussian Random Field

plot.geodata

Exploratory Geostatistical Plots

soja98

Soya bean production and other variables in a uniformity trial

Ksat

Saturated Hydraulic Conductivity

lines.variomodel.krige.bayes

Adds a Bayesian Estimate of the Variogram to a Plot

image.kriging

Image or Perspective Plot with Kriging Results

varcovBGCCM

Covariance matrix for the bivariate Gaussian common component geostatistical model

plot.grf

Plots Variograms for Simulated Data

pred_grid

Generates a 2D Prediction Grid

subset.geodata

Method for subsetting geodata objects

variofit

Variogram Based Parameter Estimation

Kriging example data from Webster and Oliver

coords2coords

Operations on Coordinates

isaaks

Data from Isaaks and Srisvastava's book

read.geodata

Reads and Converts Data to geoR Format