DataFrame.loc Purely label-location based indexer for selection by label. .loc[] is primarily label

DataFrame.sort_index(axis=0, level=None, ascending=True, inplace=False, kind='quicksort', na_position='last', sort_remaining=True, by=None)

classmethod DataFrame.from_csv(path, header=0, sep=', ', index_col=0, parse_dates=True, encoding=None, tupleize_cols=False, infer_

DataFrame.ffill(axis=None, inplace=False, limit=None, downcast=None)

DataFrame.select(crit, axis=0)

DataFrame.get(key, default=None)

DataFrame.irow(i, copy=False)

DataFrame.reindex_axis(labels, axis=0, method=None, level=None, copy=True, limit=None, fill_value=nan)

DataFrame.idxmax(axis=0, skipna=True)

DataFrame.groupby(by=None, axis=0, level=None, as_index=True, sort=True, group_keys=True, squeeze=False, **kwargs)