Tools for spatial data

[Package List] [Top]

A B C E F G I K L M N O P Q R S T U V W X Y

-- A --

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.

-- B --

BD Data frame of the effect of buffer compositions on DNA strand displacement amplification. A 4-d regression data set with with replication. This is a useful test data set for exercising function fitting methods.
bplot boxplot
bplot.xy Boxplots for conditional distribution

-- C --

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

-- E --

exp.cov Exponential, Gaussian and "power" covariance family
exp.image.cov Exponential,Gaussian, "power" and Matern covariance functions for 2-d gridded locations

-- F --

fields fields - tools for spatial data
flame Response surface experiment ionizing a reagent

-- G --

grid list Grid list for describing equally spaced grids

-- I --

image.count Creates image for a 2-d histogram from irregular locations
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.

-- K --

Krig Kriging surface estimate
krig.image Spatial process estimate for large irregular 2-d dats sets.

-- L --

lennon Gray image of John Lennon.

-- M --

make.Amatrix Matrix relating predicted values to the dependent (Y) values
make.Amatrix.Krig Computes the prediction matrix for a Krig fit.
matern.cov Matern covariance function
matern.image.cov Exponential,Gaussian, "power" and Matern covariance functions for 2-d gridded locations
minitri Mini triathlon results

-- N --

nkreg Normal kernel regression estimate

-- O --

ozone Data set of ozone measurements at 20 Chicago monitoring stations.
ozone2 Daily 8-hour ozone averages for sites in the Midwest

-- P --

plot.Krig Diagnostic and summary plots of the Krig object
plot.sreg Plots smoothing spline regression object
plot.surface Plots a surface
poisson.cov Poisson spherical covariance function
precip Standardized monthly precipitation for August 1963 inteh Rocky Mountain Region
predict.Krig Evaluation of Krig spatial process estimate.
predict.se Standard errors of predictions
predict.se.Krig Standard errors of predictions for Krig spatial process estimate
predict.surface Evaluates a fitted function as a surface object
predict.surface.se Standard errors of predictions
print.Krig Print kriging fit results.

-- Q --

qsreg Quantile or Robust spline regression

-- R --

rat.diet Experiment studying an appetite supressant in rats.
rdist Euclidean distance matrix
rdist.earth Great circle distance matrix

-- S --

set.panel Specify a panel of plots
sim.rf Simulates a random field
smooth.2d Kernel smoother for irregular 2-d data
splint Cubic spline interpolation
sreg Smoothing spline regression
stats Calculate summary statistics
stats.bin Bins data and finds some summary statistics.
summary.Krig Summary for Krig spatial process estimate
surface.Krig Plots a surface and contours

-- T --

tim.colors Tim's useful color table
Tps Thin plate spline regression
transformx Linear transformation

-- U --

US Plot of the US with state boundaries
US.dat Outline of coterminous US and states.

-- V --

vgram Finds a traditional or robust variogram for spatial data.
vgram.matrix Computes a variogram from an image

-- W --

world Plot of the world
Wtransform Quadratic W wavelet transform for 1-d vectors or rectangular or cylindrical images
Wtransform.cylinder.image Quadratic W wavelet transform for 1-d vectors or rectangular or cylindrical images
Wtransform.image Quadratic W wavelet transform for 1-d vectors or rectangular or cylindrical images
Wtransform.sim Simulates a 2-d random wavelet field

-- X --

xline Draw a vertical line

-- Y --

yline Draw horizontal lines