This method uses the provided metadata reference object for instructions on how to parse the data table (which parameters to set) 'reference' is the metadata D1Object that gives instruction on how to read the data into the dataFrame
asDataFrame(x, reference, ...)# S4 method for D1Object,D1Object
asDataFrame(x, reference, ...)
# S4 method for D1Object,AbstractTableDescriber
asDataFrame(x, reference, ...)
A D1Object
A reference to a D1Object
(Additional parameters)