The ordering methods allow you to get and set a VariableOrder on a
CrunchDataset or on the VariableCatalog that the dataset contains.
ordering(x)ordering(x) <- value
# S4 method for CrunchDataset
ordering(x)
# S4 method for CrunchDataset
ordering(x) <- value
# S4 method for VariableCatalog
ordering(x)
# S4 method for VariableCatalog
ordering(x) <- value
# S4 method for DatasetCatalog
ordering(x)
# S4 method for ProjectFolder
ordering(x)
# S4 method for DatasetCatalog
ordering(x) <- value
# S4 method for ProjectFolder
ordering(x) <- value
ordering returns a VariableOrder object, while
ordering<- sets the VariableOrder
a VariableCatalog or CrunchDataset
a valid VariableOrder object