Tools for Spatial Data

add.image | Adds an image to an existing plot. |

arrow.plot | Adds arrows to a plot |

as.image | Creates image from irregular x,y,z |

as.surface | Creates an "surface" object from grid values. |

BD | Data frame of the effect of buffer compositions on DNA strand... |

bplot | boxplot |

bplot.xy | Boxplots for conditional distribution |

CO | Monthly surface meterology for Colorado 1895-1997 |

CO2 | Simulated global CO2 observations |

colorbar.plot | Adds color scale strips to an existing plot. |

compactToMat | Convert Matrix from Compact Vector to Standard Form |

CovarianceUpper | Evaluate covariance over upper triangle of distance matrix |

cover.design | Computes Space-Filling "Coverage" designs using Swapping... |

drape.plot | Perspective plot draped with colors in the facets. |

exp.cov | Exponential family, radial basis functions,cubic spline,... |

Exponential | Covariance functions |

fields | fields - tools for spatial data |

fields.grid | Using MKrig for predicting on a grid. |

fields.hints | fields - graphics hints |

fields-internal | Fields internal and secondary functions |

fields-stuff | Fields supporting functions |

fields.tests | Testing fields functions |

flame | Response surface experiment ionizing a reagent |

FORTRAN.internal | FORTRAN subroutines used in fields functions |

gcv.Krig | Finds profile likelihood and GCV estimates of smoothing... |

grid.list | Some simple functions for working with gridded data and the... |

image2lz | Some simple functions for subsetting images |

image.cov | Exponential, Matern and general covariance functions for 2-d... |

image.plot | Draws image plot with a legend strip for the color scale... |

image.smooth | Kernel smoother for irregular 2-d data |

interp.surface | Fast bilinear interpolator from a grid. |

Krig | Kriging surface estimate |

Krig.Amatrix | Smoother (or "hat") matrix relating predicted values to the... |

Krig.engine.default | Basic linear algebra utilities and other computations... |

Krig.null.function | Default function to create fixed matrix part of spatial... |

Krig.replicates | Collapse repeated spatial locations into unique locations |

lennon | Gray image of John Lennon. |

minitri | Mini triathlon results |

mKrig | "micro Krig" Spatial process estimate of a curve or surface,... |

mKrigMLE | Maximizes likelihood for the process marginal variance (rho)... |

mKrig.MLE | Maximizes likelihood for the process marginal variance (rho)... |

MLESpatialProcess | Estimates key covariance parameters for a spatial process. |

NorthAmericanRainfall | Observed North American summer precipitation from the... |

ozone | Data set of ozone measurements at 20 Chicago monitoring... |

ozone2 | Daily 8-hour ozone averages for sites in the Midwest |

plot.Krig | Diagnostic and summary plots of a Kriging, spatialProcess or... |

plot.surface | Plots a surface |

poly.image | Image plot for cells that are irregular quadrilaterals. |

predict.Krig | Evaluation of Krig spatial process estimate. |

predictSE.Krig | Standard errors of predictions for Krig spatial process... |

predictSurface | Evaluates a fitted function or the prediction error as a... |

print.Krig | Print kriging fit results. |

pushpin | Adds a "push pin" to an existing 3-d plot |

qsreg | Quantile or Robust spline regression |

QTps | Robust and Quantile smoothing using a thin-plate spline |

quilt.plot | Image plot for irregular spatial data. |

rat.diet | Experiment studying an appetite supressant in rats. |

RCMexample | 3-hour precipitation fields from a regional climate model |

rdist | Euclidean distance matrix or vector |

rdist.earth | Great circle distance matrix or vector |

registeredC | Information objects that register C and FORTRAN functions. |

REML.test | Maximum Likelihood estimates for some Matern covariance... |

ribbon.plot | Adds to an existing plot, a ribbon of color, based on values... |

RMprecip | Monthly total precipitation (mm) for August 1997 in the Rocky... |

set.panel | Specify a panel of plots |

sim.Krig | Conditional simulation of a spatial process |

sim.rf | Simulates a Stationary Gaussian random field |

smooth.2d | Kernel smoother for irregular 2-d data |

spam2lz | Conversion of formats for sparse matrices |

spatialProcess | Estimates a spatial process model. |

splint | Cubic spline interpolation |

sreg | Cubic smoothing spline regression |

stats | Calculate summary statistics |

stats.bin | Bins data and finds some summary statistics. |

summary.Krig | Summary for Krig or spatialProcess estimated models. |

summary.ncdf | Summarizes a netCDF file handle |

supportsArg | Tests if function supports a given argument |

surface.Krig | Plots a surface and contours |

tim.colors | Some useful color tables for images and tools to handle them. |

Tps | Thin plate spline regression |

transformx | Linear transformation |

US | Plot of the US with state boundaries |

US.dat | Outline of coterminous US and states. |

vgram | Traditional or robust variogram methods for spatial data |

vgram.matrix | Computes a variogram from an image |

Wendland | Wendland family of covariance functions and supporting... |

world | Plot of the world |

WorldBank | Carbon emissions and demographic covariables by country for... |

xline | Draw a vertical line |

yline | Draw horizontal lines |

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