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oppr

Optimal Project Prioritization

v1.0.5 · Jun 27, 2025 · GPL-3

Description

A decision support tool for prioritizing conservation projects. Prioritizations can be developed by maximizing expected feature richness, expected phylogenetic diversity, the number of features that meet persistence targets, or identifying a set of projects that meet persistence targets for minimal cost. Constraints (e.g. lock in specific actions) and feature weights can also be specified to further customize prioritizations. After defining a project prioritization problem, solutions can be obtained using exact algorithms, heuristic algorithms, or random processes. In particular, it is recommended to install the 'Gurobi' optimizer (available from <https://www.gurobi.com>) because it can identify optimal solutions very quickly. Finally, methods are provided for comparing different prioritizations and evaluating their benefits. For more information, see Hanson et al. (2019) <doi:10.1111/2041-210X.13264>.

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r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (16 non-OK)
OK r-devel-linux-x86_64-debian-clang

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OK r-devel-linux-x86_64-debian-gcc

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OK r-devel-linux-x86_64-fedora-clang

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OK r-devel-linux-x86_64-fedora-gcc

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OK r-devel-macos-arm64

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OK r-devel-windows-x86_64

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NOTE r-oldrel-macos-arm64

installed package size

  installed size is  8.0Mb
  sub-directories of 1Mb or more:
    libs   6.5Mb
NOTE r-oldrel-macos-arm64

package dependencies

Package suggested but not available for checking: ‘gurobi’
NOTE r-oldrel-macos-x86_64

installed package size

  installed size is  7.7Mb
  sub-directories of 1Mb or more:
    libs   6.3Mb
NOTE r-oldrel-macos-x86_64

package dependencies

Package suggested but not available for checking: ‘gurobi’
NOTE r-oldrel-windows-x86_64

package dependencies

Package suggested but not available for checking: 'gurobi'
OK r-patched-linux-x86_64

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OK r-release-linux-x86_64

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OK r-release-macos-arm64

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OK r-release-macos-x86_64

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OK r-release-windows-x86_64

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Check History

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-oldrel-macos-arm64

package dependencies

Package suggested but not available for checking: ‘gurobi’
NOTE r-oldrel-macos-x86_64

package dependencies

Package suggested but not available for checking: ‘gurobi’
NOTE r-oldrel-windows-x86_64

package dependencies

Package suggested but not available for checking: 'gurobi'

Dependency Network

Dependencies Reverse dependencies Matrix magrittr uuid (>= 0.1.2) proto cli assertthat (>= 0.2.0) tibble ape tidytree ggplot2 viridisLite lpSolveAPI (>= 5.5.2.0.17) withr rlang oppr

Version History

new 1.0.5 Mar 9, 2026