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pricelevels 1.4.0

Bug fixes:

  • In nlcpd_self_start(strategy="s1") where the base region was not set properly.
  • In pricelevels(settings=list(solve="matrix")) where the setting was not supported and is now internally set to iterative.
  • In nlcpd(settings=list(use.jac=TRUE) when there were two regions (R=2) leading the matrices B and C in nlcpd_jacobi() to collapse. Solved by adding drop=FALSE to the two matrices and added tests for this case.
  • In lehr(), when some quantities in the data were 0, the function returned NaN.
  • Fixed some links to the minpack.lm-package in the documentation for cpd() and nlcpd().

Improvements and other changes:

  • In pricelevels(settings=list(type=c("a","b""))), no alphabetic ordering by index name of the output if specific indices are provided; alphabetic ordering only if settings$type=NULL.
  • Added the function geoyoung() for the geometric Young index. Function description, tests and vignette updated.
  • For all.pairs=FALSE, the functions index.pairs() and geks() no longer use the price levels where the comparison and base region are the same (e.g., $P^{11}$) as these price levels do not provide valuable interregional information.
  • The attribute attr(x, "base") is always added to the function output of ratios() if static=FALSE and base is not NULL. The attribute provides the base region used to calculate the individual price ratios for each product. The treatment of duplicated prices by ratios() is now also aligned to the respective treatment by all index formulas in the package, that is, duplicated prices are averaged and ratios derived by dividing the initial prices by the average.
  • Added the function pairs() to compute the number of non-redundant index pairs available for a data set. Renamed the functions comparisons() and sparsity() to properties() and gaps(). Updated the output of properties().
  • Introduced the new (non-exported) setting settings$prods, which removes products with prices in only one region. This is needed because otherwise these products distort the estimation by cpd(), ikle(), gerardi(), and others if weights are used.
  • Only positive prices are supported. Before, also zero prices were allowed, which cannot be processed by most index formulas, however.

pricelevels 1.3.0

  • Introduced the setting of global options options(pricelevels.[])
  • Introduced the plotting of price levels using the new non-exported function plot.pricelevels()
  • Adjusted the behavior of ratios()
  • Fixed a bug in the non-exported function arrange()

pricelevels 1.2.0

  • Included the functions

    • mjevons() in rao()
    • mcarli() in rhajargsaht()
    • mdutot() in gkhamis()
    • mharmonic() in ikle()

    by setting q=NULL and/or w=NULL

  • Updated the package vignette

  • Updated tests

pricelevels 1.1.0

  • New functions mjevons(), mcarli(), mdutot(), and mharmonic()
  • In nlcpd(), introduced matching of lower and upper bounds and replaced argument par.start with the default par
  • Separated the gerardi() index from the iterative ones
  • Duplicated prices are aggregated now as weighted averages instead of unweighted ones in the helper function arrange()
  • Updated the package vignette
  • Updated tests

pricelevels 1.0.2

In the DESCRIPTION file:

  • Updated the package description
  • Added a reference to the World Bank's methodological manual
  • Included the Authors@R field

pricelevels 1.0.1

  • Fixed the 'no visible bindings for global variable' note caused by the use of the data.table-package.
  • Replaced \dontrun{} with \donttest{} in the examples.

pricelevels 1.0.0

  • Initial CRAN submission.
  • Initial release on Github.