.rdFrom the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
Case variants in archive: .Rd (7.1M), .rd (69.7K), .RD (1.3K), .rD (1) — aggregated above.
This extension is attributed to R — every claim across all sources (including secondary ones) points to a single language.
.rd among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| R | linguist | secondary |
.rd on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| R documentation Q105860877 file format | file format | — | text/plain; text/x-r-doc | — | Use as new PL ↗ |
| R documentation (with rem) Q105860347 file format | file format | — | text/plain | — | Use as new PL ↗ |
| Reaction Data file Q105860676 file format | file format | — | — | — | Use as new PL ↗ |