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All functions

aggregateDataOld()
Aggregate variables to items and/or scales.
aggregateDataOldL()
Aggregate variables to items and/or scales in long format data.frames.
convertLabel()
Transform SPSS variable and value labels.
copyScanSelection()
Copy booklet scan selection to desired directory
createLabelList()
Creates a data.frame with variable and value labels from variable attributes
createLoginXml()
Creates xml login files from data.frame for computer-based assessment
createSpssSyntaxSnippet()
Prepare SPSS syntax to transfer variable and value labels into an SPSS data set
df2tex_xtable()
Create latex table code.
get.lmer.effects()
Extract results
get.lmer.effects.forBootMer()
get.lmer.effects for bootstrap
intGen()
Generate interaction terms for lm formulas
item.logit()
Simulates 1PL or 2PL responses
loadRdataLikeRDS()
Reload Saved rda or Rdata Datasets and assign them to a new object
pretty_table()
Create a standard frequency table.
prop_table()
Create a standard relative frequency table.
prop_table_by_and_all()
Create a standard relative frequency table.
read_xlsx()
Read an .xlsx file.
save.lmer.effects()
Save lme4-output to disc
transferAttributes()
Transfer attributes from a origin data.frame to a target data.frame.
unzip.wa()
Unzip files into desired directory
update_xlsx()
Update an .xlsx file.
write_xlsx()
Save to .xlsx.
wtdHetcor()
Weighted heterogeneous correlation matrix.