Coerce x argument of mxFactor to character type
Permit check for lack of warning
update to refer to mxRefModel, plus grammar and style
fix links to binary functions in mxAlgebra.Rd
one more @ sign to $
updating model to 1-line style
replacing @ with $ accessor
Fix array indexing of ordinal thresholds
Revert "Add another check for missing thresholds"
Add warning for data.type='cor'