README.Rmd

---
output: github_document
---

<!-- README.md is generated from README.Rmd. Please edit that file -->

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  fig.path = "man/figures/README-",
  out.width = "100%"
)
library(eunis.habitats)
```

# eunis.habitats <a href="https://www.pattern.institute/eunis.habitats/"><img src="man/figures/logo.svg" align="right" height="139" /></a>

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`{eunis.habitats}` is an R data package that provides the EUNIS habitat
classification in tidy format.

## Installation

Install from CRAN:

``` r
install.packages("eunis.habitats")
```

## EUNIS classifications

The data set `eunis_habitats` provides the four EUNIS classifications:

1. EUNIS classification from 2007, revised in 2012.
2. EUNIS marine classification from 2019
3. EUNIS marine classification from 2022
4. EUNIS terrestrial classification from 2021

See
[`vignette("eunis-classification")`](https://www.pattern.institute/eunis.habitats/articles/eunis-classification.html)
to learn more.

## Crosswalks

Use the helper `crosswalk()` to map habitat codes across classification systems:

- EUNIS habitat classifications
- European Red List of Habitats
- Habitats Directive Annex I

See
[`vignette("crosswalks")`](https://www.pattern.institute/eunis.habitats/articles/crosswalks.html)
for more details.