aggregateData | Aggregate Datasets With Several Kinds of Missing Values |
asNumericIfPossible | Convert Columns of a Data Frame Into Numeric Values if... |
automateDataPreparation | Automate Data Preparation using Functions from Package... |
cat.pbc | Calculate Item Discrimination for Each Category of... |
checkData | Check Datasets for Missing Values and Invalid Codes |
checkDesign | Check Datasets for Deviations From Test Design |
collapseMissings | Recode Character Missings of Different Types to 0 or 'NA' |
inputDat | List of Three Datasets from Educational Assessment |
inputList | Data Frames with Code, Subunit and Unit Information for... |
mergeData | Merge Data Frames, Check For Inconsistencies, and Replace NA... |
mnrCoding | Recode Missing by Intention to Missing not Reached |
readDaemonXlsx | Read xlsx-Files Produced by ZKDaemon |
readSpss | Read SPSS Data Files and Truncate Space in String Variables... |
recodeData | Recode Datasets with Several Kinds of Missing Values |
scoreData | Score Datasets with Several Kinds of Missing Values |
set.col.type | Set the Class of Columns in a Data Frame |
writeSpss | Export Datasets to SPSS |
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