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---
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 |