readme: ---
  language: 
  - en
  - pl
  - cs
  - zlw
  
  tags:
  - translation
  
  license: apache-2.0
  ---
  
  ### eng-zlw
  
  * source group: English 
  * target group: West Slavic languages 
  *  OPUS readme: [eng-zlw](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zlw/README.md)
  
  *  model: transformer
  * source language(s): eng
  * target language(s): ces csb_Latn dsb hsb pol
  * model: transformer
  * pre-processing: normalization + SentencePiece (spm32k,spm32k)
  * a sentence initial language token is required in the form of `>>id<<` (id = valid target language ID)
  * download original weights: [opus2m-2020-08-02.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zlw/opus2m-2020-08-02.zip)
  * test set translations: [opus2m-2020-08-02.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zlw/opus2m-2020-08-02.test.txt)
  * test set scores: [opus2m-2020-08-02.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zlw/opus2m-2020-08-02.eval.txt)
  
  ## Benchmarks
  
  | testset               | BLEU  | chr-F |
  |-----------------------|-------|-------|
  | newssyscomb2009-engces.eng.ces 	| 20.6 	| 0.488 |
  | news-test2008-engces.eng.ces 	| 18.3 	| 0.466 |
  | newstest2009-engces.eng.ces 	| 19.8 	| 0.483 |
  | newstest2010-engces.eng.ces 	| 19.8 	| 0.486 |
  | newstest2011-engces.eng.ces 	| 20.6 	| 0.489 |
  | newstest2012-engces.eng.ces 	| 18.6 	| 0.464 |
  | newstest2013-engces.eng.ces 	| 22.3 	| 0.495 |
  | newstest2015-encs-engces.eng.ces 	| 21.7 	| 0.502 |
  | newstest2016-encs-engces.eng.ces 	| 24.5 	| 0.521 |
  | newstest2017-encs-engces.eng.ces 	| 20.1 	| 0.480 |
  | newstest2018-encs-engces.eng.ces 	| 19.9 	| 0.483 |
  | newstest2019-encs-engces.eng.ces 	| 21.2 	| 0.490 |
  | Tatoeba-test.eng-ces.eng.ces 	| 43.7 	| 0.632 |
  | Tatoeba-test.eng-csb.eng.csb 	| 1.2 	| 0.188 |
  | Tatoeba-test.eng-dsb.eng.dsb 	| 1.5 	| 0.167 |
  | Tatoeba-test.eng-hsb.eng.hsb 	| 5.7 	| 0.199 |
  | Tatoeba-test.eng.multi 	| 42.8 	| 0.632 |
  | Tatoeba-test.eng-pol.eng.pol 	| 43.2 	| 0.641 |
  
  
  ### System Info: 
  - hf_name: eng-zlw
  
  - source_languages: eng
  
  - target_languages: zlw
  
  - opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zlw/README.md
  
  - original_repo: Tatoeba-Challenge
  
  - tags: ['translation']
  
  - languages: ['en', 'pl', 'cs', 'zlw']
  
  - src_constituents: {'eng'}
  
  - tgt_constituents: {'csb_Latn', 'dsb', 'hsb', 'pol', 'ces'}
  
  - src_multilingual: False
  
  - tgt_multilingual: True
  
  - prepro:  normalization + SentencePiece (spm32k,spm32k)
  
  - url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zlw/opus2m-2020-08-02.zip
  
  - url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zlw/opus2m-2020-08-02.test.txt
  
  - src_alpha3: eng
  
  - tgt_alpha3: zlw
  
  - short_pair: en-zlw
  
  - chrF2_score: 0.632
  
  - bleu: 42.8
  
  - brevity_penalty: 0.973
  
  - ref_len: 65397.0
  
  - src_name: English
  
  - tgt_name: West Slavic languages
  
  - train_date: 2020-08-02
  
  - src_alpha2: en
  
  - tgt_alpha2: zlw
  
  - prefer_old: False
  
  - long_pair: eng-zlw
  
  - helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
  
  - transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
  
  - port_machine: brutasse
  
  - port_time: 2020-08-21-14:41