xmldevval
(Package: visualFields) :
extracts total-deviation values, pattern-deviation values, total-deviation probability values, and pattern-deviation probability values
extracts total-deviation values, pattern-deviation values, total-deviation probability values, and pattern-deviation probability values
● Data Source:
CranContrib
● Keywords:
● Alias: xmldevval
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xmlvfxy
(Package: visualFields) :
dxtraction of (x,y)-coordinates of tested locations
extracts the (x,y)-coordinates of tested locations
● Data Source:
CranContrib
● Keywords:
● Alias: xmlvfxy
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This is the main object of the visualFields package. It is essentially a dataframe, but with a fixed number of columns (with pre-determined names) for information about the subject and test data and a variable number of columns for the perimetry results. These can be the sensitivities, or total-deviation values, or pattern-deviation values obtained from static automated perimetry (SAP), frequency-doubling perimetry (FDP), or any other perimetry device. (The number of columns for tested locations is variable as is different for different testing patterns, 24-2, 30-2, 10-2, etc.) Mean deviation, pattern standard deviation, vfi, etc are stored too in a visualField-type object
● Data Source:
CranContrib
● Keywords:
● Alias: vf
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tdranknv
(Package: visualFields) :
normative values for TD rank curve
gets percentiles for TD rank curve
● Data Source:
CranContrib
● Keywords:
● Alias: tdranknv
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the function performs the PoPLR analysis (see poplr) with default values and presents the results in form of a A4 printout
● Data Source:
CranContrib
● Keywords:
● Alias: vflayout_poplr
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progols
(Package: visualFields) :
progression by linear ordinary least squares
makes a linear regression with projection in the future by projyears years
● Data Source:
CranContrib
● Keywords:
● Alias: progols
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lidLensArtifact
(Package: visualFields) :
visual fields with lid or lens artifacts
identifies in a very coarse way visual fields that may have been affected by lid or lens artifacts. This function is to be used only with control data. It is probably better not to use it and look to the visual-fields printouts directly to identify those with lid and lens artifacts
● Data Source:
CranContrib
● Keywords:
● Alias: lidLensArtifact
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vfstatspmap
(Package: visualFields) :
probability values for visual field global indices
calculates the probability values for visual field global indices
● Data Source:
CranContrib
● Keywords:
● Alias: vfstatspmap
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ageLinearModel
(Package: visualFields) :
linear model for age effect on visual sensitivity
calculates the linear model to account for mean age effect on visual sensitivity at each location from a sample of controls subjects
● Data Source:
CranContrib
● Keywords:
● Alias: ageLinearModel
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tdpmap
(Package: visualFields) :
probability map for total deviation
gets probability map for total-deviation values
● Data Source:
CranContrib
● Keywords:
● Alias: tdpmap
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providing 
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