ageLinearModel          linear model for age effect on visual
                        sensitivity
agecalc                 Calculates age
bebie                   Bebie curve
cart2jpolar             convert from Cartesian coordinate to polar
                        coordinates for use with the Jansonius map
colormapgraph           color legend for p-values in td and pd
                        probability plots
createviewport          Wrapup for createviewport in package 'grid'
csplocmap               xy-position mapping between CSP-custom-device
                        convention (William H Swanson perimeter) and
                        visualFields convention for patterns of
                        location
fdplocmap               xy-position mapping between FDP device
                        convention and visualFields convention for
                        patterns of location
fiberpathpsi            Average path of a nerve fiber bundle function
                        generator
filterReliability       identify visual fields that did not pass filter
                        for reliability
gcdisp                  average GC displacement from [1]
gcloc2psi               Angle of incidence in the optic nerve head for
                        vf locations
getnv                   get normative values and location map
ghpostd                 general height estimated as the rankRef-th
                        ranked TD location
ghranktd                general height estimated from rank TD curve
gloperc                 percentiles for global indices
hist_poplr              histogram for PoPLR analysis
jpolar2cart             converts to '(x,y)' in degrees from polar
                        coordinates
lidLensArtifact         visual fields with lid or lens artifacts
loadvfEyesuite          Import visual field data from Haag-Streit
                        Eyesuite
loadvfcsv               load visual fields from a CSV file
loadvfxml               loads visual fields from a XML file
loadvfxmlbatch          loads visual fields from a set of XML files
locperc                 percentiles for each location
nvcspsgalpha            IU normative reference values for Contrast
                        Sensitiviy Perimetro. Alpha version!!!
nvsapdefault            SUNY-IU normative reference values for static
                        automated perimetry
pdpmap                  probability map for pattern deviation
pdpmapghr               probability map for pattern deviation from
                        global sensitivity estimate
pdval                   pattern deviation
pdvalghr                pattern deviation from general height rank
                        (GHr)
poplr                   permutation of Pointwise Linear Regression
                        (PoPLR)
poplr_cstat             permutation of pointwise linear regression
                        (PoPLR): calculation of the combined statistic
poplr_pstat             Permutation of Pointwise Linear Regression
                        (PoPLR): calculation of the p-value
progols                 progression by linear ordinary least squares
psi2oct                 Angle of incidence in the OCT scan
                        corresponding to angle of incidence in optic
                        nerve head
quad2Dfit               two-dimensional quadratic fitting for
                        visual-field results
retestconddist          Conditional retest distribution
ringmapgraph            ring legend for p-values
saplocmap               xy-position mapping between HFA device
                        convention and visualFields convention for
                        patterns of location
sdnv                    standard deviations of normative values
sdnvghr                 standard deviations of normative values of PD
                        from general-height-rank
setnv                   set normative values and location map
stimLoc                 stimulus location and size
tdpmap                  probability map for total deviation
tdrank                  total-deviation rank curve
tdrankadjperc           percentiles for adjusted TD rank curve
tdrankglm               GLM fit for TD rank curve
tdranknv                normative values for TD rank curve
tdrankperc              percentiles for TD rank curve
tdval                   total deviation
vf                      visualField objects
vf2gcloc                Calculates the location of the GC soma
                        corresponding to vf locations
vf91016csp1vf           a vf-object with CSP sample data with
vf91016left             a vf-object with SAP sample data
vf91016right            a vf-object with SAP sample data
vfArtes2014             Short-term retest static automated perimetry
                        data
vfShafi2011             SUNY-IU control data for static automated
                        perimetry 10-2 SITA Standard
vfaverage               average of vf-objects
vfcolormap              Color code for TD or PD probability maps
vfdemographics          demographics and statistics of sample in
                        visual-fields object vf
vfenv                   environment with the current normative values
                        used 'visualFields'
vfgrayscale             gray scales for sensitivities
vfidefault              Settings of visual field index
vfindex                 visual field index
vfindexpmap             probability values for visual field index
vfiperc                 percentiles for visual field index
vflayout                printout with results for the visual field
vflayout_poplr          layout displaying the PoPLR analysis
vflayout_progress       progression analysis layout
vflayoutghr             printout with results for the visual field
vfplot                  visual field plot
vfplot_legoplot         legoplot for PoPLR analysis
vfplot_plr              plot with the PLR analysis
vfplot_sparklines       Sparklines
vfplotloc               visual field data plot
vfsegmentcoord          calculate line segments to plot in 'vfplot'
                        representing the overall orientation of the
                        retinal nerve fibre layer bundles according to
                        Jansonious map [1]
vfselectvisit           select visits per subject from a vf-object
vfsettings              Settings of visualField object
vfsort                  sort vf-objects
vfstats                 visual field stats
vfstatspmap             probability values for visual field global
                        indices
vftessellation          Voronoi tessellation of vf spatial testing
                        locations
visualFields            Statistical methods for visual fields
xmlblock                extracts a block from the XML file
xmldevval               extracts total-deviation values,
                        pattern-deviation values, total-deviation
                        probability values, and pattern-deviation
                        probability values
xmlitem                 extracts from a loaded XML file the info of a
                        tag
xmlvfval                extracts visual-field sensitivity values
xmlvfxy                 dxtraction of (x,y)-coordinates of tested
                        locations
