Analysis of a matrix of polytomous items using Ordinal Logistic Biplots (OLB) The OLB procedure extends the binary logistic biplot to ordinal (polytomous) data. The individuals are represented as points on a plane and the variables are represented as lines rather than vectors as in a classical or binary biplot, specifying the points for each of the categories of the variable. The set of prediction regions is established by stripes perpendicular to the line between the category points, in such a way that the prediction for each individual is given by its projection into the line of the variable.
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Author  Julio Cesar Hernandez Sanchez, Jose Luis VicenteVillardon 
Date of publication  20150116 22:11:44 
Maintainer  Julio Cesar Hernandez Sanchez <juliocesar_avila@usal.es> 
License  GPL (>= 2) 
Version  0.4 
Package repository  View on CRAN 
Installation  Install the latest version of this package by entering the following in R:

Package overview 
Functions  

BiplotDensity  Man page Source code 
CalculateFittingIndicatorsMirt  Source code 
CalculateMediaBetPoints  Source code 
CalculateOrdinalBiplotGeneral  Source code 
CheckDataSet  Man page Source code 
ColMax  Source code 
Eq2gSolve  Source code 
EstimationRowsMIRT  Source code 
EvalOrdlogist  Source code 
ExtractCoefficientsPenal  Source code 
ExtractMirtCoefficients  Source code 
GetOrdinalBiplotObjectMIRT  Source code 
GetOrdinalBiplotObjectPenal  Source code 
LevelSatPhd  Man page 
OrdinalLogBiplotEM  Man page Source code 
OrdinalLogisticBiplot  Man page Source code 
OrdinalLogisticBiplotpackage  Man page 
PlotClusters  Man page Source code 
PointsBiplotCurves  Source code 
PointsCurveIntersect  Source code 
SeekRowCompleteProb  Source code 
diagonal  Source code 
isOrderCurvesAscent  Source code 
logit  Source code 
ones  Source code 
patterns_eq  Source code 
plot.ordBipVariable  Source code 
plot.ordinal.logistic.biplot  Man page Source code 
plot.ordinalBiplotPenal  Source code 
plotCurvesCategoriesVariable  Source code 
plotOrdinalFittedVariable  Man page Source code 
plotOrdinalVariable  Man page Source code 
pointsIntersectLineWindow  Source code 
pordlogist  Man page Source code 
pordlogistfit  Source code 
summary.ordinal.logistic.biplot  Man page Source code 
summary.pordlogist  Man page Source code 
testit  Source code 
zeros  Source code 
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