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New packages: coinclp & ROI.plugin.coinclp

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Issue 类型
文档
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活跃
技术栈
r
领域
documentation

调研方向

在任务视图中找到“Interfaces to Open Source Optimizers”部分和 ROI 插件列表。使用提议的最终句子更新 Clp/Cbc 条目,并将 ROI.plugin.coinclp 条目添加到其他 ROI 插件旁边。完成的标准是包含这两个软件包名称、描述和链接,并保留现有格式。

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描述

The 'Clp'/'Cbc' entry under Interfaces to Open Source Optimizers describes what Clp does, then points readers only at rcbc for Cbc — reasonably, since there has been no R interface to Clp since clpAPI was archived in November 2021 (taking ROI.plugin.clp with it two months later).

There is one again. coinclp and ROI.plugin.coinclp have both been on CRAN since mid-September 2026. Both link against an installed COIN-OR Clp rather than bundling it; on Windows the Rtools toolchain supplies it, so nothing extra is needed there.

Proposed amendment to the existing entry, changing only the final sentence:

  • 'Clp' and 'Cbc' are open source solvers from the COIN-OR suite. 'Clp' solves linear programs with continuous objective variables, and 'Cbc' is a powerful mixed integer linear programming solver based on 'Clp', i.e. applies 'Clp' if no integer variables are set. 'Cbc' can be installed from rcbc, 'Clp' from coinclp, which also reproduces the interface of the archived 'clpAPI' package under its original function names. [LP, MILP]

And for the ROI plugins, alongside ROI.plugin.qpoases and ROI.plugin.neos:

  • Package ROI.plugin.coinclp registers 'Clp' with ROI for linear programs with continuous variables, returning dual values, reduced costs and row activities alongside the primal solution. It replaces the archived ROI.plugin.clp. [LP]

Disclosure: I am the author of both packages.

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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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