Tools for spatial data Help Pages

 %d*% Basic linear algebra utilities and other computations supporting the Krig function. %d*%,matrix,matrix-method Multiplying diagonal matrices in Package `fields' %d*%,matrix,numeric-method Multiplying diagonal matrices in Package `fields' %d*%,numeric,matrix-method Multiplying diagonal matrices in Package `fields' %d*%,numeric,numeric-method Multiplying diagonal matrices in Package `fields' %d*%-methods Multiplying diagonal matrices in Package `fields'

-- A --

 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.

-- 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 --

 coef.Krig Kriging surface estimate colorbar.plot Plots one or more color scale strips as a symbol cover.design Computes Space-Filling "Coverage" designs using Swapping Algorithm

-- D --

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

-- E --

 exp.cov Exponential covariance family, radial basis functions and a general function for stationary covariances. exp.image.cov Exponential, Matern and general covariance functions for 2-d gridded locations. exp.simple.cov Exponential covariance family, radial basis functions and a general function for stationary covariances. Exponential Covariance functions

-- F --

 fields fields - tools for spatial data fields tests Testing fields functions fields.color.picker fields - graphics hints fields.diagonalize Fields supporting functions fields.duplicated.matrix Fields supporting functions fields.hints fields - graphics hints fields.mkpoly Fields supporting functions fields.style fields - graphics hints fields.x.to.grid Grid list format for describing equally spaced grids fitted.Krig Kriging surface estimate flame Response surface experiment ionizing a reagent

-- G --

 gcv.Krig Finds profile likelihood and GCV estimates of smoothing parameters grid list Grid list format for describing equally spaced grids grid.list Grid list format for describing equally spaced grids

-- I --

 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.Amatrix Smoother (or "hat") matrix relating predicted values to the dependent (Y) values. Krig.check.xY Basic linear algebra utilities and other computations supporting the Krig function. Krig.coef Basic linear algebra utilities and other computations supporting the Krig function. Krig.cor.Y Basic linear algebra utilities and other computations supporting the Krig function. Krig.engine.default Basic linear algebra utilities and other computations supporting the Krig function. Krig.engine.fixed Basic linear algebra utilities and other computations supporting the Krig function. Krig.engine.knots Basic linear algebra utilities and other computations supporting the Krig function. krig.image Spatial process estimate for large irregular 2-d dats sets. Krig.make.W Basic linear algebra utilities and other computations supporting the Krig function. Krig.make.Wi Basic linear algebra utilities and other computations supporting the Krig function. Krig.null.function Default function to create fixed matrix part of spatial process model. Krig.transform.xY Basic linear algebra utilities and other computations supporting the Krig function.

-- L --

 lennon Gray image of John Lennon.

-- M --

 Matern Covariance functions matern.image.cov Exponential, Matern and general covariance functions for 2-d gridded locations. minitri Mini triathlon results

-- O --

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

-- P --

 parse.grid.list Grid list format for describing equally spaced grids plot.Krig Diagnostic and summary plots of a Kriging or spline object plot.sreg Diagnostic and summary plots of a Kriging or spline object plot.surface Plots a surface plot.Wimage Plots 2-d wavelet coefficents by level and type poisson.cov Poisson spherical covariance function 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 or its standard errors as a surface object print.Krig Print kriging fit results.

-- Q --

 qsreg Quantile or Robust spline regression quilt.plot Image plot for irregular spatial data.

-- R --

 rad.cov Exponential covariance family, radial basis functions and a general function for stationary covariances. rad.simple.cov Exponential covariance family, radial basis functions and a general function for stationary covariances. rat.diet Experiment studying an appetite supressant in rats. rdist Euclidean distance matrix rdist.earth Great circle distance matrix resid.Krig Kriging surface estimate RMprecip Monthly total precipitation (mm) for August 1963 in the Rocky Mountain Region

-- S --

 set.panel Specify a panel of plots sim.Krig.grid Conditonal simulation of a spatial process sim.Krig.standard Conditonal simulation of a spatial process sim.rf Simulates a random field smooth.2d Kernel smoother for irregular 2-d data splint Cubic spline interpolation sreg Smoothing spline regression stationary.cov Exponential covariance family, radial basis functions and a general function for stationary covariances. stationary.image.cov Exponential, Matern and general covariance functions for 2-d gridded locations. stats Calculate summary statistics stats.bin Bins data and finds some summary statistics. summary.Krig Summary for Krig spatial process estimate summary.ncdf Summarizes a netCDF file handle surface.Krig Plots a surface and contours

-- T --

 test.for.zero Testing fields functions 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 --

 W.i2s Gives indexing imfomration for a wavelet decompostion W.info Gives indexing imfomration for a wavelet decompostion W.s2i Gives indexing imfomration for a wavelet decompostion Wimage.cov Functions for W-transform based covariance models Wimage.i2s Finds key indices related to a 2-d multiresolution Wimage.info Finds key indices related to a 2-d multiresolution Wimage.info.plot Plot to check 2-d multiresolution indexing Wimage.s2i Finds key indices related to a 2-d multiresolution Wimage.sim Functions for W-transform based covariance models 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.image.cov Functions for W-transform based covariance models

-- X --

 xline Draw a vertical line

-- Y --

 yline Draw horizontal lines