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geoR (version 1.6-28)

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

1.6-28

License

GPL (>= 2)

Maintainer

Paulo Ribeiro Jr

Last Published

July 5th, 2010

Functions in geoR (1.6-28)

elevation

Surface Elevations

Ksat

Saturated Hydraulic Conductivity

boxcox.geodata

Box-Cox transformation for geodata objects

geoR-internal

geoR internal functions

points.geodata

Plots Spatial Locations and Data Values

lines.variomodel.krige.bayes

Adds a Bayesian Estimate of the Variogram to a Plot

coords.aniso

Geometric Anisotropy Correction

hoef

Data for spatial analysis of experiments

statistics.predictive

Summary statistics from predictive distributions

hist.krige.bayes

Plots Sample from Posterior Distributions

image.grf

Image, Contour or Perspective Plot of Simulated Gaussian Random Field

subset.geodata

Method for subsetting geodata objects

trend.spatial

Builds the Trend Matrix

names.geodata

Lists names of the key elements of a geodata object

variog4

Computes Directional Variograms

ksline

Spatial Prediction -- Conventional Kriging

dup.coords

Locates duplicated coordinates

plot.proflik

Plots Profile Likelihoods

krige.bayes

Bayesian Analysis for Gaussian Geostatistical Models

summary.geodata

Summaries for geodata object

coords2coords

Operations on Coordinates

plot.grf

Plots Variograms for Simulated Data

varcov.spatial

Computes Covariance Matrix and Related Results

s100 and s121

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

grf

Simulation of Gaussian Random Fields

s256i

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

matern

Computer Values of the Matern Correlation Function

variog.model.env

Envelops for Empirical Variograms Based on Model Parameters

wolfcamp

Wolfcamp Aquifer Data

sample.prior

Sample the prior distribution

xvalid

Cross-validation by kriging

lines.variogram

Line with a Empirical Variogram

gambia

Gambia Malaria Data

SIC

Spatial Interpolation Comparison data

image.krige.bayes

Plots Results of the Predictive Distribution

camg

Calcium and magnesium content in soil samples

print.BGCCM

Prints an summary of of the output from likfitBGCCM.

krweights

Computes kriging weights

geoR-defunct

Defunct Functions in the Package geoR

varcovBGCCM

Covariance matrix for the bivariate Gaussian common component geostatistical model

landim1

Data from Landim's book

lines.variomodel.likGRF

Adds a Variogram Line to a Variogram Plot

ca20

Calcium content in soil samples

cite.geoR

Citing Package geoR in Publications

likfitBGCCM

Fits the bivariate Gaussian common component geostatistical model

variofit

Variogram Based Parameter Estimation

lines.variomodel.variofit

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

plot.variog4

Plot Directional Variograms

lines.variomodel.grf

Lines with True Variogram for Simulated Data

InvChisquare

The (Scaled) Inverse Chi-Squared Distribution

as.geodata

Converts an Object to the Class "geodata"

locations.inside

Select prediction locations inside borders

boxcox.fit

Parameter Estimation for the Box-Cox Transformation

pars.limits

Set limits for the parameter values

krige.conv

Spatial Prediction -- Conventional Kriging

plot.geodata

Exploratory Geostatistical Plots

plot.variogram

Plot Empirical Variogram

.nlmP

Adapts nlm for Constraints in the Parameter Values

head

Head observations in a regional confined aquifer

lines.variomodel

Adds a Line with a Variogram Model to a Variogram Plot

lines.variogram.envelope

Adds Envelopes Lines to a Variogram Plot

legend.krige

Add a legend to a image with kriging results

cov.spatial

Computes Value of the Covariance Function

nearloc

Near location to a point

loglik.GRF

Log-Likelihood for a Gaussian Random Field

practicalRange

Pratical range for correlation functions

summary.variofit

Summarize Results of Variogram Estimation

pred_grid

Generates a 2D Prediction Grid

isaaks

Data from Isaaks and Srisvastava's book

subarea

Selects a Subarea from a Geodata Object

kattegat

Kattegat basin salinity data

predict.BGCCM

Prediction for the bivariate Gaussian common component geostatistical model

sample.geodata

Sampling from geodata objects

tce

TCE concentrations in groundwater in a vertical cross section

wrc

Points of a water retention curve data set

wrappers

Wrappers for the C functions used in geoR

variog.mc.env

Envelops for Empirical Variograms Based on Permutation

sample.posterior

Samples from the posterior distribution

proflik

Computes Profile Likelihoods

globalvar

Computes global variance

eyefit

Interactive Variogram Estimation

soja98

Soya bean production and other variables in a uniformity trial

summary.likGRF

Summarizes Parameter Estimation Results for Gaussian Random Fields

soil250

Soil chemistry properties data set

boxcox

The Box-Cox Transformed Normal Distribution

image.kriging

Image or Perspective Plot with Kriging Results

output.control

Defines output options for prediction functions

polygrid

Coordinates of Points Inside a Polygon

plot.krige.bayes

Plots Prior and/or Posterior Distributions

likfit

Likelihood Based Parameter Estimation for Gaussian Random Fields

parana

Rainfall Data from Parana State, Brasil

plot.xvalid

Plot Cross-Validation Results

read.geodata

Reads and Converts Data to geoR Format

set.coords.lims

Sets Limits to Scale Plots

variog

Compute Empirical Variograms

Kriging example data from Webster and Oliver