2. Создание проекта R package вместе с Unit tests и documentation.

Опубликовано: 10 Октябрь 2024
на канале: Korolev Alexander

204

Creating R project with Unit tests and documentation.

https://github.com/AlexKorole/myRTestPrj

1-3 help: https://datag.org/resources/documents...

1. Install R
https://www.r-project.org/ -- https://cloud.r-project.org/

2. Install RStudio
https://www.rstudio.com/

3. Install Rtools
https://cran.r-project.org/bin/window...

----------------------------------------------------------------------

4. Create new project
File -- New Project -- New Directory -- R Package

myRTestPrj

5.
install.packages("devtools")

6.
hello стрелка влево- function(a) {
print(paste0("Hello, ", a, ", this is the world!"))
}

Code -стрелка вправо Insert Roxygen Sceleton

#' Title
#'
#' @param a input name
#'
#' @return phrase
#' @export
#'
#' @examples
#' hello("John")

7.
delete NAMESPACE and hello.Rd

8.
install.packages("xfun")
devtools::document()
?hello

9.
usethis::use_mit_license()

10.
usethis::use_testthat()

11.
usethis::use_test("hello")

test_that("multiplication works", {
expect_equal(hello("J"), "Hello, J, this is the world!")
})

12.
devtools::test()

13.
install.packages("covr")
covr::report()

14.
devtools::check()

15.
hello("df")

16.
usethis::use_readme_rmd()

17.
devtools::build_readme()

18.
install.packages("forcats")
usethis::use_package("forcats")

in hello.R
forcats::

19.
devtools::install()

20.
remove.packages("myRTestPrj")

21.
restart Session

22.
hello("df")
devtools::load_all()
hello("df")