### Install Development Dependencies

Source: https://github.com/red-list-ecosystem/redlistr/blob/master/CONTRIBUTING.md

Installs all development dependencies for the package. Ensure the package passes R CMD check afterwards.

```R
devtools::install_dev_deps()
```

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

### Install Development Version of redlistr

Source: https://github.com/red-list-ecosystem/redlistr/blob/master/README.md

Installs the latest development version of the redlistr package from GitHub. Requires the 'devtools' package.

```r
# install.packages("devtools")
devtools::install_github("red-list-ecosystem/redlistr")
```

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

### Add Unit Tests

Source: https://github.com/red-list-ecosystem/redlistr/blob/master/CONTRIBUTING.md

Example of adding unit tests using the testthat package. This is a bonus for contributions.

```R
testthat::test_that("addition works", {
  expect_equal(2 + 2, 4)
})
```

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

### Install Stable Version of redlistr from CRAN

Source: https://github.com/red-list-ecosystem/redlistr/blob/master/README.md

Installs the stable version of the redlistr package from CRAN. This version is older and will be updated in 2026.

```r
install.packages("redlistr")
```

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

### Run R CMD Check

Source: https://github.com/red-list-ecosystem/redlistr/blob/master/CONTRIBUTING.md

Checks the package for errors, warnings, and notes. Aim for zero issues.

```R
devtools::check()
```

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