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Setup packages
- devtools and usethis
- Package names and authors
- Choose a license
- Setup git + GitHub
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Write code
- Writing functions
- Adding functions to our package
- Using other packages
- Packages so good they get their own functions
- Organizing .R files
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Document
- roxygen2: In-Line Documentation for R
- Argument descriptions and examples
- Helper functions
- Joining documentation
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Test
- Unit tests for R
- Organizing tests
- R CMD Check
- Types of Test Files
- Test Coverage
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Teach
- Examples
- README
- Spellcheck
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Add data and files
- Store data and files
- Include data for tests and create RMarkdown templates
- Create other templates
- Launch and store Shiny apps
- Citations, ignoring files, and including add-ins
Package Development with R
Using other packages
This lesson is locked
This lesson is called Using other packages, part of the Package Development with R course. This lesson is called Using other packages, part of the Package Development with R course.
Transcript
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Your Turn
Working in exercises.Rmd:
Fix the code in R/themes.R to use ggplot2:: instead of library(ggplot2)
Run use_package(“ggplot2”) to add ggplot2 to Imports
Re-load the package (Cmd/Ctrl+Shift+L) and run this code to make sure it works
use_package("ggplot2")
### in R/themes.R:
theme_avalanche <- function() {
ggplot2::theme_minimal(base_size = 14) +
ggplot2::theme(panel.grid.minor = ggplot2::element_blank())
}Learn More
You can learn more about using functions from other packages in your package in the Dependencies chapter of the R Packages book.
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