DataFrame.copy(deep=True)

DataFrame.get_ftype_counts()

DataFrame.asof(where, subset=None)

DataFrame.icol(i)

DataFrame.asfreq(freq, method=None, how=None, normalize=False)

DataFrame.get_value(index, col, takeable=False)

DataFrame.to_hdf(path_or_buf, key, **kwargs)

DataFrame.ne(other, axis='columns', level=None)

DataFrame.rsub(other, axis='columns', level=None, fill_value=None)

DataFrame.plot.hexbin(x, y, C=None, reduce_C_function=None, gridsize=None, **kwds)