back_period             Offset a vector prices or quantities
balanced                Balanced operator
contributions           Percent-change contributions
extended_mean           Extended mean
factor_weights          Factor weights
geks                    GEKS index
generalized_mean        Generalized mean
grouped                 Grouped operator
index_weights           Index weights
lehmer_mean             Lehmer mean
nested_mean             Nested generalized mean
outliers                Outlier detection for price relatives
price_data              Sample price/quantity data
price_indexes           Price indexes
quantity_index          Quantity index operator
scale_weights           Scale weights
splice_index            Splice an index series
transmute_weights       Transmute weights
