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visualFields (version 0.5.4)

Statistical Methods for Visual Fields

Description

A collection of tools for analyzing the field of vision. It provides a framework for development and use of innovative methods for visualization, statistical analysis, and clinical interpretation of visual-field loss and its change over time. It is intended to be a tool for collaborative research.

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Version

Install

install.packages('visualFields')

Monthly Downloads

331

Version

0.5.4

License

GPL (>= 3.0)

Maintainer

Ivan Marin-Franch

Last Published

June 20th, 2018

Functions in visualFields (0.5.4)

xy-position mapping between FDP device convention and visualFields convention for patterns of location

Average path of a nerve fiber bundle function generator

general height estimated as the rankRef-th ranked TD location

Angle of incidence in the optic nerve head for vf locations

general height estimated from rank TD curve

get normative values and location map

probability map for pattern deviation from global sensitivity estimate

percentiles for each location

pattern deviation

IU normative reference values for Contrast Sensitiviy Perimetro. Alpha version!!!

two-dimensional quadratic fitting for visual-field results

Conditional retest distribution

standard deviations of normative values

ring legend for p-values

xy-position mapping between HFA device convention and visualFields convention for patterns of location

percentiles for adjusted TD rank curve

GLM fit for TD rank curve

standard deviations of normative values of PD from general-height-rank

Color code for TD or PD probability maps

demographics and statistics of sample in visual-fields object vf

visual field index

Settings of visual field index

printout with results for the visual field

a vf-object with CSP sample data with

a vf-object with SAP sample data

probability values for visual field index

layout displaying the PoPLR analysis

percentiles for visual field index

plot with the PoPLR analysis

sort vf-objects

visual field data plot

visual field stats

linear model for age effect on visual sensitivity

select visits per subject from a vf-object

Settings of visualField object

extracts visual-field sensitivity values

dxtraction of (x,y)-coordinates of tested locations

converts to (x,y) in degrees from polar coordinates

lidLensArtifact

visual fields with lid or lens artifacts

Import visual field data from Haag-Streit Eyesuite

load visual fields from a CSV file

pattern deviation from general height rank (GHr)

Wrapup for createviewport in package grid

xy-position mapping between CSP-custom-device convention (William H Swanson perimeter) and visualFields convention for patterns of location

filterReliability

identify visual fields that did not pass filter for reliability

average GC displacement from [1]

loads visual fields from a XML file

permutation of Pointwise Linear Regression (PoPLR)

set normative values and location map

stimulus location and size

a vf-object with SAP sample data

loads visual fields from a set of XML files

Short-term retest static automated perimetry data

printout with results for the visual field

permutation of pointwise linear regression (PoPLR): calculation of the combined statistic

Permutation of Pointwise Linear Regression (PoPLR): calculation of the p-value

printout with results for the visual field

vflayout_progress

progression analysis layout

normative values for TD rank curve

percentiles for TD rank curve

printout with results for the visual field

total deviation

color legend for p-values in td and pd probability plots

color legend for p-values in td and pd probability plots

Calculates the location of the GC soma corresponding to vf locations

vflayout2_legoplot

legoplot visualization for change in sensitivities over time of visual fields

percentiles for global indices

histogram for PoPLR analysis

visualFields-package

Statistical methods for visual fields

extracts a block from the XML file

probability map for pattern deviation

SUNY-IU normative reference values for static automated perimetry

extracts total-deviation values, pattern-deviation values, total-deviation probability values, and pattern-deviation probability values

vflayout2_poplr

layout displaying the PoPLR analysis

visualField objects

progression by linear ordinary least squares

Angle of incidence in the OCT scan corresponding to angle of incidence in optic nerve head

visual field plot

calculate line segments to plot in vfplot representing the overall orientation of the retinal nerve fibre layer bundles according to Jansonious map [1]

probability map for total deviation

visual field data plot

extracts from a loaded XML file the info of a tag

total-deviation rank curve

SUNY-IU control data for static automated perimetry 10-2 SITA Standard

average of vf-objects

environment with the current normative values used visualFields

gray scales for sensitivities

visual field plot

plot with the PoPLR analysis

probability values for visual field global indices

Voronoi tessellation of vf spatial testing locations

convert from Cartesian coordinate to polar coordinates for use with the Jansonius map