DataFrame.tshift(periods=1, freq=None, axis=0)

DataFrame.insert(loc, column, value, allow_duplicates=False)

DataFrame.info(verbose=None, buf=None, max_cols=None, memory_usage=None, null_counts=None)

DataFrame.iat Fast integer location scalar accessor. Similarly to iloc, iat provides

DataFrame.pivot_table(data, values=None, index=None, columns=None, aggfunc='mean', fill_value=None, margins=False, dropna=True, marg

DataFrame.mean(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

class pandas.DataFrame(data=None, index=None, columns=None, dtype=None, copy=False)

DataFrame.rename_axis(mapper, axis=0, copy=True, inplace=False)

DataFrame.dropna(axis=0, how='any', thresh=None, subset=None, inplace=False)

DataFrame.plot.density(**kwds)