Statistical Methods for Visual Fields


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Documentation for package ‘visualFields’ version 0.4.3

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agecalc Calculates age
ageLinearModel linear model for age effect on visual sensitivity
bebie Bebie curve
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
filterReliability identify visual fields that did not pass filter for reliability
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
lidLensArtifact visual fields with lid or lens artifacts
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
quad2Dfit two-dimensional quadratic fitting for visual-field results
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
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
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
vflayoutghr printout with results for the visual field
vflayout_legoplot legoplot visualization for change in sensitivities over time of visual fields
vflayout_poplr layout displaying the PoPLR analysis
vfplot visual field plot
vfplotloc visual field data plot
vfplot_poplr plot with the PoPLR analysis
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
vfShafi2011 SUNY-IU control data for static automated perimetry 10-2 SITA Standard
vfsort sort vf-objects
vfstats visual field stats
vfstatspmap probability values for visual field global indices
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