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piar: Price Index Aggregation

Most price indexes are made with a two-step procedure, where period-over-period elementary indexes are first calculated for a collection of elementary aggregates at each point in time, and then aggregated according to a price index aggregation structure. These indexes can then be chained together to form a time series that gives the evolution of prices with respect to a fixed base period. This package contains a collection of functions that revolve around this work flow, making it easy to build standard price indexes, and implement the methods described by Balk (2008, <doi:10.1017/CBO9780511720758>), von der Lippe (2007, <doi:10.3726/978-3-653-01120-3>), and the CPI manual (2020, <doi:10.5089/9781484354841.069>) for bilateral price indexes.

Version:	0.8.3
Depends:	R (≥ 4.1)
Imports:	stats, utils,gpindex (≥ 0.6.2),Matrix (≥ 1.5-0)
Suggests:	data.tree,knitr,rmarkdown,sps,testthat (≥ 3.0.0),treemap
Published:	2025-09-17
DOI:	10.32614/CRAN.package.piar
Author:	Steve Martin [aut, cre, cph]
Maintainer:	Steve Martin <marberts at protonmail.com>
BugReports:	https://github.com/marberts/piar/issues
License:	MIT + fileLICENSE
URL:	https://marberts.github.io/piar/,https://github.com/marberts/piar
NeedsCompilation:	no
Citation:	piar citation info
Materials:	README,NEWS
In views:	OfficialStatistics
CRAN checks:	piar results

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