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R implementation of Quantile Data Envelopment Analysis. The package 'qDEA' allows a user specified proportion of observations to lie external to a given Decision Making Units's (DMU's)reference hyperplane. 'qDEA' can be used to detect and address influential outliers or to implement quantile benchmarking, as discussed in Atwood and Shaik (2020). Quantile benchmarking is accomplished by using heuristic procedures to find a DMU's closest input-output projection point in a specified direction while allowing a specified proportion of observations to lie external to the projected point's hyperplane. The 'qDEA' package accommodates standard (DEA) and quantile DEA estimation, returns to scale CRS(constant),VRS(variable),DRS(decreasing) or IRS(increasing), the use of directional vectors, bias correction through subsample bootstrapping and subsample size selection procedures. The user can also recover each DMU's reference DMUs and external DMUs if desired. The implemented procedures are based on discussions in: Atwood and Shaik (2020) <doi:10.1016/j.ejor.2020.03.054> Atwood and Shaik (2018) <doi:10.1007/978-3-319-68678-3_4> Walden and Atwood (2023) <doi:10.1086/724932> Walden and Atwood (2025) <doi:10.1086/736554>.
| Version: | 1.0.0 |
| Depends: | R (≥ 4.2) |
| Imports: | dplyr, doBy, highs, Matrix, utils |
| Suggests: | knitr, rmarkdown |
| Published: | 2026-04-13 |
| DOI: | 10.32614/CRAN.package.qDEA (may not be active yet) |
| Author: | Joe Atwood [aut, cre], John Walden [aut] |
| Maintainer: | Joe Atwood <jatwood at montana.edu> |
| License: | GPL-2 | GPL-3 |
| NeedsCompilation: | no |
| Materials: | README, NEWS |
| CRAN checks: | qDEA results |
| Reference manual: | qDEA.html , qDEA.pdf |
| Vignettes: |
Introduction to qDEA: Quantile Data Envelopment Analysis (source, R code) Practical Applications of qDEA (source, R code) |
| Package source: | qDEA_1.0.0.tar.gz |
| Windows binaries: | r-devel: not available, r-release: not available, r-oldrel: not available |
| macOS binaries: | r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): qDEA_1.0.0.tgz, r-oldrel (x86_64): qDEA_1.0.0.tgz |
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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.
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