CES_sigma_2             Dataset of prices and quantities on four
                        products
GEKSIndex               Compute a GEKS multilateral index
elasticity              Computes the elasticity of substitution
evaluateMatched         Evaluate product overlap between periods
maximumSimilarityLinks
                        Finds periods to link using minimum
                        dissimilarity.
mixScaleDissimilarity   Computes mix, scale and absolute dissimilarity
                        measures
monthIndex              Generate an index of months
priceIndex              Computes a bilateral price index
priceIndicator          Calculate a price indicator
quantityIndex           Computes a bilateral quantity index
quantityIndicator       Compute a quantity indicator
quarterIndex            Generate an index of quarters
relativeDissimilarity   Computes measures of relative dissimilarity
                        between all periods
unitValues              Aggregates prices to unit values and quantities
                        to sums
valueDecomposition      valueDecomposition
values                  Compute values (price x quantity)
weekIndex               Generate an index of weeks
yearIndex               Generate an index of years
