readme: ---
  language:
  - en
  - nb
  - nn
  
  tags:
  - translation
  
  license: apache-2.0
  ---
  
  ### eng-nor
  
  * source language name: English
  * target language name: Norwegian
  * OPUS readme: [README.md](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-nor/README.md)
  
  * model: transformer-align
  * source language code: en
  * target language codes: nb, nn
  * dataset: opus  with backtranslations
  * release date: 2021-04-20
  * pre-processing: normalization + SentencePiece (spm32k,spm32k)
  * download original weights: [opus+bt-2021-04-20.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-nor/opus+bt-2021-04-20.zip/eng-nor/opus+bt-2021-04-20.zip)
  * a sentence-initial language token is required in the form of >>id<<(id = valid, usually three-letter target language ID)
  * Training data: 
    * eng-nno: Tatoeba-train (1661769) wikipedia.aa.nno-eng (995603) wikipedia.ab.nno-eng (605107) wikiquote.aa.nno-eng (22626)
    * eng-nob: Tatoeba-train (11525999) wikibooks.aa.nob-eng (37901) wikinews.aa.nob-eng (8706) wikipedia.aa.nob-eng (992563) wikipedia.ab.nob-eng (992772) wikipedia.ac.nob-eng (992621) wikipedia.ad.nob-eng (992828) wikipedia.ae.nob-eng (992812) wikipedia.af.nob-eng (976715) wikiquote.aa.nob-eng (10443) wikisource.aa.nob-eng (279891)
  * Validation data: 
    * eng-nno: Tatoeba-dev, 505
    * eng-nob: Tatoeba-dev, 5189
    * total-size-shuffled: 1505
    * devset-selected: top 1505  lines of Tatoeba-dev.src.shuffled
  * Test data: 
    * Tatoeba-test.eng-nno: 460/3428
    * Tatoeba-test.eng-nob: 4539/36110
    * Tatoeba-test.eng-nor: 4999/39547
  * test set translations file: [test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-nor/opus+bt-2021-04-20.zip/eng-nor/opus+bt-2021-04-20.test.txt)
  * test set scores file: [eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-nor/opus+bt-2021-04-20.zip/eng-nor/opus+bt-2021-04-20.eval.txt)
  * BLEU-scores
  |Test set|score|
  |---|---|
  |Tatoeba-test.eng-nob|56.4|
  |Tatoeba-test.eng-nor|55.4|
  |Tatoeba-test.eng-nno|40.3|
  * chr-F-scores
  |Test set|score|
  |---|---|
  |Tatoeba-test.eng-nob|0.716|
  |Tatoeba-test.eng-nor|0.71|
  |Tatoeba-test.eng-nno|0.615|
  
  ### System Info: 
  * hf_name: eng-nor
  * source_languages: en
  * target_languages: nb,nn
  * opus_readme_url: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-nor/opus+bt-2021-04-20.zip/README.md
  * original_repo: Tatoeba-Challenge
  * tags: ['translation']
  * languages: ['en', 'nb', 'nn']
  * src_constituents: ['eng']
  * tgt_constituents: ['nob', 'nno']
  * src_multilingual: False
  * tgt_multilingual: True
  * helsinki_git_sha: 59400fea592520766f9910390155681bc930dbc4
  * transformers_git_sha: fd5cdaeea6eafac32e9d967327bfa3dc0e0d962d
  * port_machine: DESKTOP-6CPR2HH
  * port_time: 2023-01-23-21:07