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hhi: Calculate and Visualize the Herfindahl-Hirschman Index

Based on the aggregated shares retained by individual firms or actors within a market or space, the Herfindahl-Hirschman Index (HHI) measures the level of concentration in a space. This package allows for intuitive and straightforward computation of HHI scores, requiring placement of objects of interest directly into the function. The package also includes a plot function for quick visual display of an HHI time series using any measure of time (year, quarter, month, etc.). For usage, please cite the Journal of Open Source Software paper associated with the package: Waggoner, Philip D. (2018) <doi:10.21105/joss.00828>.

Version: 1.2.0
Imports: ggplot2
Published: 2018-08-17
DOI: 10.32614/CRAN.package.hhi
Author: Philip D. Waggoner
Maintainer: Philip D. Waggoner <pdwaggoner at wm.edu>
License: MIT + file LICENSE
NeedsCompilation: no
Materials: README NEWS
CRAN checks: hhi results

Documentation:

Reference manual: hhi.pdf

Downloads:

Package source: hhi_1.2.0.tar.gz
Windows binaries: r-devel: hhi_1.2.0.zip, r-release: hhi_1.2.0.zip, r-oldrel: hhi_1.2.0.zip
macOS binaries: r-release (arm64): hhi_1.2.0.tgz, r-oldrel (arm64): hhi_1.2.0.tgz, r-release (x86_64): hhi_1.2.0.tgz, r-oldrel (x86_64): hhi_1.2.0.tgz
Old sources: hhi archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.