| uStat11.diff {iMRMC} | R Documentation | 
The kernel is the difference kernel
uStat11.diff(df.input, modalitiesToCompare, keyColumns = c("readerID",
  "caseID", "modalityID", "score"))
| df.input | Data frame of observations, one per row. Columns also identify random and fixed effects. | 
| modalitiesToCompare | The factors identifying the modalities to compare | 
| keyColumns | The required columns |