Tools to build and work with bilateral generalized-mean price indexes (and by extension quantity indexes), and indexes composed of generalized-mean indexes (e.g., superlative quadratic-mean indexes, GEKS). Covers the core mathematical machinery for making bilateral price indexes, computing price relatives, detecting outliers, and decomposing indexes, with wrappers for all common (and many uncommon) index-number formulas. Implements and extends many of the methods in Balk (2008, tools:::Rd_expr_doi("10.1017/CBO9780511720758")), von der Lippe (2007, tools:::Rd_expr_doi("10.3726/978-3-653-01120-3")), and the CPI manual (2020, tools:::Rd_expr_doi("10.5089/9781484354841.069")).
Maintainer: Steve Martin marberts@protonmail.com (ORCID) [copyright holder]
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