eatModel-package |
Specify and run IRT models from R (using Conquest or TAM). |
aggregateData |
Aggregate variables to items and/or scales. |
convertLabel |
Transform SPSS variable and value labels into ZKD convention. |
createSpssSyntaxSnippet |
Prepare SPSS syntax to transfer variable and value labels into an SPSS data set. |
defineModel |
Prepares IRT analysis for Conquest and TAM |
eapFromRes |
Collects all EAP results from the object returned by getResults() |
equat1pl |
1pl equating with optional elimination of linking DIF items |
get.dsc |
Read Conquest 'descriptives' output files. |
get.equ |
Reads equivalence table created in Conquest analysis. |
get.itn |
Read ConQuest 'itanal' Output Files |
get.plausible |
Read Conquest Plausible Values Output Files |
get.prm |
Read Conquest prm (parameter) Output Files |
get.shw |
Read ConQuest showfiles |
get.wle |
Read Conquest WLE or MLE Output Files |
getResults |
Collect all results from Conquest/TAM analysis into a common data frame |
gsubAll |
Pattern matching and replacement |
halveString |
Split string exactly in two parts |
itemFromRes |
Collect all item results from the object returned by getResults() |
make.pseudo |
Transform ratings from real raters into pseudo ratings |
meanAgree |
mean agreement among several raters |
meanKappa |
Cohens kappa among several raters |
mergeAttr |
Merge Two Data Frames and maintain variable attributes |
multiseq |
multiple sequences |
num.to.cat |
Transform continuous variables into ordered factors |
plotICC |
Plots item charactestic curves. |
prepRep |
Prepares 'eatModel' results for jackknifing and trend estimation via 'eatRep'. |
pvFromRes |
Collects all plausible values from the object returned by getResults() |
q3FromRes |
Extracts the Q3 matrices from the object returned by getResults() |
rater |
Variable ratings for 1287 examinees, 7 variables and 4 raters. |
runModel |
Run IRT model specified by 'defineModel' using Conquest or TAM |
sciences |
Science achievement test data obtained from large-scale assessment. |
simEquiTable |
Computes equivalence table based on simulated data |
splitModels |
Create several models by splitting the qMatrix and/or person.groups |
transformToBista |
Transformation of item and person parameters to the Bista metric. |
wleFromRes |
Collects all WLEs from the object returned by getResults() |