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.
Krig                     Kriging surface estimate
Tps                      Thin plate spline regression
US                       Plot of the US with state boundaries
US.dat                   Outline of coterminous US and states.
Wtransform.image         Quadratic W wavelet transform for an image
Wtransform.sim           Simulates a 2-d random wavelet field
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.
bplot                    boxplot
bplot.xy                 Boxplots for conditional distribution
cover.design             Computes Space-Filling "Coverage" designs using
                         Swapping Algorithm
exp.cov                  Exponential, Gaussian and "power" covariance
                         family
exp.image.cov            Exponential,Gaussian and "power" covariance
                         family for 2-d gridded locations
fields internal          Fields internal and secondary functions
flame                    Response surface experiment ionizing a reagent
grid list                Grid list for describing equally spaced grids
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.
krig.image               Spatial process estimate for large irregular 2-d
                         dats sets.
lennon                   Gray image of John Lennon.
make.Amatrix.krig        Computes the prediction matrix for a Krig fit.
make.Amatrix             Matrix relating predicted values to the
                         dependent (Y) values
matern.cov               Matern covariance function
minitri                  Mini triathlon results
nkreg                    Normal kernel regression estimate
ozone                    Data set of ozone measurements at 20 Chicago
                         monitoring stations.
ozone2                   Daily 8-hour ozone averages for sites in the
                         Midwest
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.Krig          Standard errors of predictions for Krig spatial
                         process estimate
predict.se               Standard errors of predictions
predict.surface          Evaluates a fitted function as a surface object
predict.surface.se       Standard errors of predictions
print.Krig               Print kriging fit results.
qsreg                    Quantile spline regression
rat.diet                 Experiment studying an appetite supressant in
                         rats.
rdist                    Euclidean distance matrix
rdist.earth              Great circle distance matrix
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
transformx               Linear transformation
vgram                    Finds a traditional or robust variogram for
                         spatial data.
vgram.matrix             Computes a variogram from an image
world                    Plot of the world
xline                    Draw a vertical line
yline                    Draw horizontal lines