KBivN                   Standard bivariate normal kernel
KBivQ                   Standard bivariate quartic (biweight) kernel
LSCV.density            Leave-one-out least-squares cross-validation
                        (LSCV) for bivariate KDE bandwidths
LSCV.risk               Leave-one-out least-squares cross-validation
                        (LSCV) bandwidths for the relative risk
                        function
NS                      Normal scale rule for bivariate KDE bandwidths
OS                      Maximal smoothing principle (oversmoothing) for
                        bivariate KDE bandwidths
PBC                     Primary biliary cirrhosis data
as.im.bivden            Converting a 'sparr' bivariate kernel density
                        estimate or relative risk surface object into a
                        'spatstat' pixel image.
bivariate.density       Bivariate kernel density estimates
plot.bivden             Plotting a bivariate kernel density estimate
                        object
risk                    Bivariate relative risk function
sparr-package           The sparr Package: SPAtial Relative Risk
summary.bivden          Summarising a bivariate kernel density estimate
                        object
summary.rrs             Summarising an estimated relative risk function
                        object
tolerance               Asymptotic p-value surfaces
