code: def savebinary(self, fname, savecoloring=True):
          
          io.savebinary(fname=fname, X=self, savecoloring=savecoloring)
docs: 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)