sysToItemDifDf | R Documentation |
Creates a data frame that includes the common item parameter estimates from two (or more) system files (e.g., a DIF analysis).
sysToItemDifDf(listOfSysFiles, mySuffixes, myDims = "all")
listOfSysFiles |
A list of system files returned from conquestr::ConQuestSys |
mySuffixes |
a vector of strings specifying the names for the two groups being analysed, e.g., if the two system files are an analysis of boys and girls, the vector may be |
myDims |
A string specifying if all or specific dimensions should be included. The default is "all", Specific dimensions are specified by the label "D1" for dimensions 1 etc. |
A data frame object.
conquestr::plotDif ()
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