``` r
library("ggplot2")
ggplot(mtcars, aes(wt, mpg)) +
geom_point()
```
Created on 2018-05-18 by the [reprex
package](http://reprex.tidyverse.org)
(v0.2.0).
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Photo: Sarah Dorweiler
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GITHUB ISSUES
provide a reproducible, clean, parsimonious
argument that this is a real problem worth fixing
#' Add two numbers
#'
#' @param x The first nubmer
#' @param y The second number
#' @return The sum of the first
#' and second number
#'
#' @examples
#' add(2, 2)
add <- function(x, y) {
x + y
}
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Documentation fixes
• Typos
• Confusing stuff
• Out of date or inaccurate information
• Examples
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Fix a bug!
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Contributing code
• Start with an issue
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good first issue
help wanted
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BECOMING A BUG DETECTIVE
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traceback()
Photo: Ryan Fields
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debug()
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Bug hunting tips
• Read the function(s)
• Find the surrounding functions
• traceback() and debug() are your friends
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Contributing code
• Start with an issue
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Contributing code
• Start with an issue
• Submit a pull request containing your change
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Contributing code
• Start with an issue
• Submit a pull request containing your change
• Update documentation
• Tests prevent your fix from getting un-fixed
• Follow code style
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Contributing code
• Start with an issue
• Submit a pull request containing your change
• Update documentation
• Tests prevent your fix from getting un-fixed
• Follow code style
• CONTRIBUTING.md
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START SMALL
AND LEARN
AS YOU GO
You don’t need to be an expert to contribute
through issues, comments, reprexes,
documentation, or code
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More resources
• “Contributing Code to the Tidyverse” by Jim Hester
http:/
/www.jimhester.com/2017/08/08/contributing/
• “Contributing to Tidyverse Packages” by Mara Averick
https:/
/www.rstudio.com/resources/videos/contributing-to-
tidyverse-packages/
• “Happy Git and GitHub for the useR” by Jenny Bryan
http:/
/happygitwithr.com/
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Photo: Tom Johnson
thanks!
Acknowledgements:
Thanks to Mara Averick, Tom Johnson, Sean
Kross, Ross Donaldson, Hadley Wickham,
R-Ladies Seattle, and #rcatladies