def savebinary(self, fname, savecoloring=True):
io.savebinary(fname=fname, X=self, savecoloring=savecoloring)<EOL>
Save the tabarray to a numpy binary archive (``.npz``).

Save the tabarray to a ``.npz`` zipped file containing ``.npy`` binary 
files for data, plus optionally coloring and/or rowdata or simply to a 
``.npy`` binary file containing the data but no coloring or rowdata.

Method wraps::

        tabular.io.savebinary(fname, self, savecoloring, saverowdata)