![[R logo]](../../../doc/html/Rlogo.svg)
![[Up]](../../../doc/html/left.jpg)
![[Top]](../../../doc/html/up.jpg)
| 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() |