code: def store(self, loc, df):
          
  
          path = "%s.%s" % (self._root / "processed" / loc, FILE_EXTENSION)
          WRITE_DF(df, path, **WRITE_DF_OPTS)
          self._cache[loc] = df
docs: Store dataframe in the given location.
  
          Store some arbitrary dataframe:
  
          >>> data.store('my_data', df)
  
          Now recover it from the global store.
          >>> data.my_data
          ...