Man pages for jeppebundsgaard/RDigram
Analysis of Items from Tests and Surveys

ADLtiredPhysical Activities of Daily Living
all.patternsCreate all possible response patterns
as_tbl_graph.digram.objectCreate a tidygraph object from a digram.object
CHIPSCHIPS: Children's Problem Solving
code.splitCode items to be split (as having DIF)
code.testletCode items as a testlet/local dependant
describe.itemsDescribe items
DHPDiabetes Health profile (DHP)
digram.estimateEstimate RDigram object using TAM
digram.objectCreate DIGRAM Object
digram.objects.combineCombine several digram.objects into a...
digram.person.pCalculate probability of correct answer to item categories
digram.wrightmapDraw a Wrightmap
draw.plausible.responseDraw plausible responses based on item parameters
EJH5Erik Jørgen Hansen (EJH5)
gamma_matrixGammas of item.parameters given total score using matrix...
gamma_patternGammas of item.parameters given total score using patterns -...
get.category.namesGet category values and names
get.column.noGet column number(s) of a variable in the recoded data
get.item.paramsGet item parameters and standard errors as a data.frame from...
get.labelsGet variable labels
get.variable.namesGet variable names
header.formatNot exported
ipfIterative Proportional Fitting (ipf)
item.correlationsItem correlations
item.descriptions.from.paramsProduce a template matrix of item descriptions from item...
item.DIFDetect Differential Item Functioning
item.params.convertConvert item parameters from one parametrization to another
local.independenceDetect local dependence
person.fit.patternPerson fit based on response pattern
pf3Physical functioning subscale
pirlsDK_2016_BK16PIRLS data for Denmark 2016
print.digram.objectPrint DIGRAM object
proficiency.scaleCreate a proficiency scale table
RDigram-packageFunctions for item analysis
read.digramRead DIGRAM files into digram.object
read.item.descriptionsRead item descriptions from file
score.informationPrint score information
summary.digram.objectSummarize DIGRAM object
TIMSSTaiAusTIMSS data for Taiwan and Australia
variable.deleteDelete variable
variables.combineCombine variables
variable.updateUpdate variable
write.digramWrite DIGRAM Object
jeppebundsgaard/RDigram documentation built on Oct. 29, 2023, 7:15 p.m.