R-我应该在哪里放置RDA文件-/R，/data，/inst/extdata? [英] R - where should I place RDA file - /R, /data, /inst/extdata?

问题描述

根据"Writing R Extensions"手册，可以在三个目录中放置RDA文件:/R，/data，/inst/extdata

According to the "Writing R Extensions" manual, there are three directories where RDA files can be placed: /R, /data, /inst/extdata

从手册中破译最佳实践确实非常困难.有人可以评论何时/为什么将RDA文件放置在这三个目录中.

Its really hard to decipher the best-practice from the manual. Could someone comment on when/why to place RDA files in each of these three directories.

以下是我要解决的具体情况:
我有1个RDA文件，该文件将在函数示例以及我的test_that测试中使用(所有代码都存储在inst/tests中)

Here's the specific cases I'm solving for:
I have 1 RDA file that will be used in function examples as well as in my test_that tests (which all live in inst/tests)

推荐答案

从 手册开始进行软件包编写，这使我印象深刻. data/目录对我来说似乎是个好选择.我记得，对于非R数据集或某些此类数据集，建议使用inst/extdata.

Starting with the manual for package writing strikes me as a good approach. The data/ directory looks like a good bet to me. As I recall, inst/extdata was suggested for non-R data sets or some such.

一般规则仍然是inst/下的所有目录都将按原样复制； data/目录可以被转换.该手册将有详细信息.因此，如果只希望将其用于回归测试，则可以使用inst/testData(例如)，一旦安装了该软件包，就可以使用system.file("testData", package="yourPackageNameHere")对其进行计算.

The general rule still is that all directories below inst/ will be copied as-is; the data/ directory may be transformed. The manual will have details. So if you wanted it just for regression tests, you could use inst/testData (say) and, once the package is installed, you can use system.file("testData", package="yourPackageNameHere") to compute it.

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