statsmodels.tsa.deterministic.TimeTrendDeterministicTerm.in_sample¶ abstract TimeTrendDeterministicTerm.in_sample(index)¶ Produce deterministic trends for in-sample fitting. Parameters:¶ index : index_like¶An index-like object. If not an index, it is converted to an index. Returns:¶ A DataFrame containing the deterministic terms. Return type:¶ DataFrame