The roxygen2 package provides an insource documentation system that automatically generates r documentation rd files. Aug 27, 2014 for a recent project, i wanted to use the github project page of the repository to host the documentation i generated from the source code using doxygen. Roxygen2 is an awesome tool to easily create a package from your function library. Additionally, github offers free services to host a website for your package and its.
Generate your rd documentation, namespace file, and collation field using specially formatted comments. Rd files are a special file format which closely resembles latex. Rd frills that you can use, but theyre not strictly necessary. You will obtain rigorous training in the r language, including the skills for handling complex data, building r packages and developing custom data visualizations. Writing an r package from scratch not so standard deviations. As of january 2015, there were over 6,000 packages available on the c omprehensive r a rchive n etwork, or cran, the public clearing house for r packages. The simplest way to publish your package on github is to create a new repository and upload the contents of the main folder stockpredictor in our case to that repository. Dec 17, 2019 note that you will need to install the roxygen2 package first install. Roxygen2 is an awesome tool to easily create a package from your function library roxygenready helps in creating the function annotations needed to compile a proper package by roxygen2 more precisely, roxygenready creates roxygen skeletons, a certain format for inline function annotation see below. By downloading, you agree to the open source applications terms. Apr 29, 2014 writing an r package from scratch posted on april 29, 2014 by hilaryparker as i have worked on various projects at etsy, i have accumulated a suite of functions that help me quickly produce tables and charts that i find useful. Mar 22, 2017 generally, a much easier way to make your package public is to publish it on github. These steps assume that you have git installed and configured on your pc. The basic idea behind r packages is to make units of code that extend the functionality in the base r program in a way that is both i reproducible across computers with different hardware and software configurations and ii fully explained with helpful documentation including example code and maybe also example data.
Github desktop simple collaboration from your desktop. Convert elements of roxygen documentation to markdown rlibroxygen2md. For mac linux users, head to the r gui or your favorite ide and run the following code to download the two primary development packages youll need. There are many reasons why you might want to make your own r library package. For a recent project, i wanted to use the github project page of the repository to host the documentation i generated from the source code using doxygen. Generally, a much easier way to make your package public is to publish it on github. Nonzero exit status when attempting to install devtools in r on macos.
A package bundles together code, data, documentation, and tests, and is easy to share with others. A couple of pointers when fixing text generated by roxygen. As the field of data science evolves, it has become clear that software development skills are essential for producing useful data science results and products. This tutorial was inspired by a blog post from the beautiful hillary parker last year. If youre developing a package this allows you to automate tasks like. Run r cmd check on multiple platforms linux, windows, and mac and different versions of r e. Writing an r package from scratch posted on april 29, 2014 by hilaryparker as i have worked on various projects at etsy, i have accumulated a suite of functions that help me quickly produce tables and charts that i find useful. This is a little frustrating at first, but soon becomes secondnature. A package is a template or set of conventions that structures your code.
In r, the fundamental unit of shareable code is the package. Create roxygen skeletons for all of your functions before compiling it into an r package. Following this, we will run some basic checks on the package and then discuss how to host your package and interact with it as a github repository. Oct 29, 2018 in this module, well discuss how to make your own r library package, and how to upload it to the r cran repository. Also searches for function names and can go to that function in the file. The book covers r software development for building data science tools. We will use github to host the source files of our r package. The aim of devtools is to make your life as a package developer easier by providing r functions that simplify many common tasks. Currently, if you link to a function in another package that has an alias that points to a different rdhtml file, you end up with a missing file link warning when building the package. This is the workhorse function that uses roclets, the builtin document transformation functions, to build all documentation for a package. Roxygen2, an r package available through cran, has revolutionised my documentation workflow for r packages. These are specific notes for installing pecan on mac osx and will be referenced from the main.
Github actions is a continuous integration service that allows you to automatically run code whenever you push to github. Most likely the easiest way to install paswr2 is to use the r package devtools however, you need to make sure youre set up to. The paths used to locate files differ between unix e. Rd files in man, namespace, and, if needed, the collate field in description. Github adds all the traditional benefits of version control, in addition to showing off your work and providing and facilitating publication of your package. Windows systems used a single backslash \, while unix systems use a single forward slash to delimit files or directories in the path. The first section of the book contains our guidelines for creating and testing r packages. Roxygen2 aims to make it as easy as possible to build a package that is a wellbehaved member of the r ecosystem. Roxygenready helps in creating the function annotations needed to compile a proper package by roxygen2. R function documentation with roxygen2 multiple functions.
The aim of devtools is to make package development easier by providing r functions that simplify common tasks an r package is actually quite simple. The conversion is not perfect, so make sure to check the results. For example, perhaps you have written r methods that you use on a frequent basis, and would like an easy way to access them that would work from any. Type the following in the r command line only do the install. Use \dontrun to skip over verylongrunning bits of code, or \dontshow to add a bit of code to subset an example dataset to make it much smaller and to make subsequent commands.
Without it, users wont know how to use your package. It automates everything that can be automated, and provides helpers for sharing documentation between topics. For mac, we currently maintain and distribute the binary for the cpu version of mxnetr. Stick to using the devtools function document, within r, to process the roxygen2 comments.
Instructions for creating your own r package in song kimy phil martinz nina mcmurryx andy haltermanmarch 18, 2018 1 introduction the following is a stepbystep guide to creating your own r package. Clone the mxnet github repository and checkout the release branch. Now, anyone can install and use this package using the. R packages are actually really simple, and with the right tools it should be easier to use the package structure than not. So since a githubpages content has to be placed in the root directory of the ghpages branch, the task was to find an elegant way to generate the html documentation from the master branch into the ghpages branch. The main advantage to getting your package on cran is that it will be easier for users to install with install. Url moved to using system instead of shell purpose to allow the function to be useful for mac users as well. Download for macos download for windows 64bit download for macos or windows msi download for windows. So an alternate workflow, edit the function, then insert the skeleton and do the documentation that way. This is the place for any questions about package development, particularly but not exclusively for any questions about devtools, roxygen2, testthat, and friends. The comprehensive r archive network cran is the main repository for r packages.
Documentation is also useful for futureyou so you remember what your functions were supposed to do, and for developers extending your package. In the rstudio project, go to go to filefunction search bar on the menu bar. R function documentation with roxygen2 multiple functions roxygen2multifunctiondocumentation. They can be processed into a variety of formats, including latex.
Here, we build a toy package called squarespack using the code stored here r package development requires building a directory of files that include the r code, documentation, and two specific files containing required metadata. Whether youre new to git or a seasoned user, github desktop simplifies your development workflow. Mxnetr release process mxnet apache software foundation. Your package will also be tested daily on multiple systems. Github desktop focus on what matters instead of fighting with git. Document your package using roxygen2 create an store a file. Rstudio is a crossplatform, powerful r development environment available here. The standard way to write r documentation is to create rd files r documentation in the man directory of a package. Now, to create an r package, you will need to install devtools and roxygen2 in r.
Howto build openmx from the source repository openmx. If your package concerns computational biology or bioinformatics, you might be interested in bioconductor, instead. Writing an r package via github is simple and smart. A eventual collection of tools to make roxygen2 even easier to use note these functions are designed for windows users and may be extended to mac installation. How to fix rd warning missing file link when linking to. I can not recommend it enough and now do all my r development within rstudio.
Write an r package from scratch with github rbloggers. Jun 14, 2017 pushing a custom made r package to github or gitlab note. Building and maintaining r packages with devtools and roxygen2. Mar 26, 2020 this is the workhorse function that uses roclets, the builtin document transformation functions, to build all documentation for a package. Roxygen will automatically fill in the version of roxygen2 used to build the package in this field. Documentation is one of the most important aspects of a good package. If you are already using roxygen2, but not with markdown, youll need to use roxygen2md to convert existing rd expressions to markdown. More precisely, roxygenready creates roxygen skeletons, a certain format for inline function annotation see below. These are specific notes for installing pecan on mac osx and will be referenced from the main installing pecan page. This will use github for packages, sign up for an account if you dont have one. Writing documentation inline with code makes it easier to keep your documentation uptodate as your requirements change. This not only makes sharing code easy, it reduces the time and effort required to complete you project.217 100 180 1103 1189 1324 690 897 553 1629 338 1329 1385 93 1141 1268 661 1576 1034 794 672 25 936 1292 1148 392 836 1010 561 320 649 446 1390