Get a Crunch object's dataset URL
datasetReference(x)# S4 method for CrunchDataset
datasetReference(x)
# S4 method for CrunchVariable
datasetReference(x)
# S4 method for CrunchExpr
datasetReference(x)
# S4 method for ShojiObject
datasetReference(x)
# S4 method for character
datasetReference(x)
# S4 method for ANY
datasetReference(x)
The URL of the dataset which contains that object
a Crunch object