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# Metadata Auto R Library
## Introduction
This repository aims to simplify the access to the [Swiss Federal Statistical Office](https://www.bfs.admin.ch/bfs/en/home.html) metadata.
Following the implementation in the [interoperability platform](https://www.i14y.admin.ch) and the [SIS portal](https://sharepoint.admin.ch/edi/bfs/fr-ch/News/Pages/go-life-neues-sis-portals.aspx), the APIs are made available here in R.
This public library is made available for the internal FSO staff, the federal administration and for external actors.
then at the beginning of your R script, you will need to
## Functionnalities
Based on the metadata that you want, you will call certain functions and parameters.
### Codelists
1. Export a codelist based on an identifier
codelist <- get_codelist(identifier, export_format, version_format, annotations)
- identifier ("character"): the codelist's identifier
- export_format ("character", default="SDMX-ML"): the export's format.
Available are CSV, XLSX, SDMX-ML or SDMX-JSON.
- version_format ("numeric", default=2.1): the export format's version
(2.0 or 2.1 when format is SDMX-ML).
- annotations (bool, default=FALSE): flag to include annotations
- codelist (data.frame) based on the export format
- a data.frame if export_format was CSV or XLSX
- a json if export_format was SDMX-ML or SDMX-JSON.
data_structure <- get_data_structure(identifier, language)
- identifier ("character"): the nomenclature's identifier
- language ("character", default='fr'): the language of the response data.
Available are 'fr', 'de', 'it', 'en'.
Returns:
one_level_df <- get_nomenclature_one_level(identifier, level_number, filters, language, annotations)
- identifier ("character"): nomenclature's identifier
- level_number ("numeric"): level to export
- filter (hash::hash): additionnal filters (hash)
- language ("character", default='fr'): response data's language
- annotations (bool, default=FALSE): flag to include annotations
- response (data.frame): dataframe with 3 columns
(Code, Parent and Name in the selected language)
2. Export multiple levels of a nomenclature (from `level_from` to `level_to`)
multiple_levels_df = get_nomenclature_multiple_levels(identifier, level_from, level_to, filters, language, annotations)
- identifier ("character"): nomenclature's identifier
- level_from ("numeric"): the 1st level to include
- level_to ("numeric"): the last level to include
- filter (hash::hash): additionnal filters
- language ("character", default='fr'): response data's language
- annotations (bool, default=FALSE): flag to include annotations
- multiple_levels_df (data.frame): dataframe columns from `level_from` to `level_to` codes
As the APIs continue to be implemented, further functionnalities will be added.
## Background
All the APIs made available in this library are also documented in Swagger UI should you want to do more experiments through a UI.
- [Here](https://www.i14y.admin.ch/api/index.html) for APIs of the interoperability platform (public).
- [Here](https://dcat.app.cfap02.atlantica.admin.ch/api/index.html) for dcat APIs (internal to configuration).
## Example
Examples for each API are provided in the [R Markdown](https://renkulab.io/gitlab/pauline.maury-laribiere/metadata-auto-r-library/-/blob/r_apis/example.Rmd).