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geoR (version 1.6-29)

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

1.6-29

License

GPL (>= 2)

Maintainer

Paulo Ribeiro Jr

Last Published

August 12th, 2010

Functions in geoR (1.6-29)

as.geodata

Converts an Object to the Class "geodata"

lines.variomodel

Adds a Line with a Variogram Model to a Variogram Plot

jitterDupCoords

Jitters (duplicated) coordinates.

Ksat

Saturated Hydraulic Conductivity

plot.krige.bayes

Plots Prior and/or Posterior Distributions

ksline

Spatial Prediction -- Conventional Kriging

likfit

Likelihood Based Parameter Estimation for Gaussian Random Fields

camg

Calcium and magnesium content in soil samples

boxcox

The Box-Cox Transformed Normal Distribution

lines.variomodel.krige.bayes

Adds a Bayesian Estimate of the Variogram to a Plot

cite.geoR

Citing Package geoR in Publications

boxcox.fit

Parameter Estimation for the Box-Cox Transformation

xvalid

Cross-validation by kriging

image.grf

Image, Contour or Perspective Plot of Simulated Gaussian Random Field

lines.variogram

Line with a Empirical Variogram

polygrid

Coordinates of Points Inside a Polygon

subset.geodata

Method for subsetting geodata objects

elevation

Surface Elevations

parana

Rainfall Data from Parana State, Brasil

.nlmP

Adapts nlm for Constraints in the Parameter Values

dup.coords

Locates duplicated coordinates

practicalRange

Pratical range for correlation functions

image.kriging

Image or Perspective Plot with Kriging Results

nearloc

Near location to a point

boxcox.geodata

Box-Cox transformation for geodata objects

landim1

Data from Landim's book

hoef

Data for spatial analysis of experiments

krweights

Computes kriging weights

gambia

Gambia Malaria Data

plot.proflik

Plots Profile Likelihoods

head

Head observations in a regional confined aquifer

coords2coords

Operations on Coordinates

predict.BGCCM

Prediction for the bivariate Gaussian common component geostatistical model

InvChisquare

The (Scaled) Inverse Chi-Squared Distribution

sample.posterior

Samples from the posterior distribution

plot.grf

Plots Variograms for Simulated Data

read.geodata

Reads and Converts Data to geoR Format

isaaks

Data from Isaaks and Srisvastava's book

ca20

Calcium content in soil samples

eyefit

Interactive Variogram Estimation

lines.variomodel.likGRF

Adds a Variogram Line to a Variogram Plot

wrc

Points of a water retention curve data set

lines.variomodel.grf

Lines with True Variogram for Simulated Data

plot.variog4

Plot Directional Variograms

set.coords.lims

Sets Limits to Scale Plots

plot.geodata

Exploratory Geostatistical Plots

kattegat

Kattegat basin salinity data

s100 and s121

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

plot.variogram

Plot Empirical Variogram

trend.spatial

Builds the Trend Matrix

print.BGCCM

Prints an summary of of the output from likfitBGCCM.

varcov.spatial

Computes Covariance Matrix and Related Results

s256i

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

likfitBGCCM

Fits the bivariate Gaussian common component geostatistical model

tce

TCE concentrations in groundwater in a vertical cross section

sample.geodata

Sampling from geodata objects

wolfcamp

Wolfcamp Aquifer Data

pred_grid

Generates a 2D Prediction Grid

subarea

Selects a Subarea from a Geodata Object

variog.model.env

Envelops for Empirical Variograms Based on Model Parameters

krige.conv

Spatial Prediction -- Conventional Kriging

proflik

Computes Profile Likelihoods

geoR-defunct

Defunct Functions in the Package geoR

matern

Computer Values of the Matern Correlation Function

legend.krige

Add a legend to a image with kriging results

summary.geodata

Summaries for geodata object

names.geodata

Lists names of the key elements of a geodata object

soil250

Soil chemistry properties data set

lines.variogram.envelope

Adds Envelopes Lines to a Variogram Plot

variog.mc.env

Envelops for Empirical Variograms Based on Permutation

variog4

Computes Directional Variograms

loglik.GRF

Log-Likelihood for a Gaussian Random Field

summary.likGRF

Summarizes Parameter Estimation Results for Gaussian Random Fields

variog

Compute Empirical Variograms

variofit

Variogram Based Parameter Estimation

wrappers

Wrappers for the C functions used in geoR

statistics.predictive

Summary statistics from predictive distributions

krige.bayes

Bayesian Analysis for Gaussian Geostatistical Models

SIC

Spatial Interpolation Comparison data

image.krige.bayes

Plots Results of the Predictive Distribution

lines.variomodel.variofit

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

pars.limits

Set limits for the parameter values

locations.inside

Select prediction locations inside borders

summary.variofit

Summarize Results of Variogram Estimation

geoR-internal

geoR internal functions

grf

Simulation of Gaussian Random Fields

output.control

Defines output options for prediction functions

varcovBGCCM

Covariance matrix for the bivariate Gaussian common component geostatistical model

coords.aniso

Geometric Anisotropy Correction

cov.spatial

Computes Value of the Covariance Function

globalvar

Computes global variance

plot.xvalid

Plot Cross-Validation Results

sample.prior

Sample the prior distribution

points.geodata

Plots Spatial Locations and Data Values

hist.krige.bayes

Plots Sample from Posterior Distributions

Kriging example data from Webster and Oliver

soja98

Soya bean production and other variables in a uniformity trial