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---
language: en
tags:
- translation
license: apache-2.0
---
### eng-bat
* source group: English
* target group: Baltic languages
* OPUS readme: [eng-bat](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-bat/README.md)
* model: transformer
* source language(s): eng
* target language(s): lav lit ltg prg_Latn sgs
* 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-2020-08-01.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-bat/opus2m-2020-08-01.zip)
* test set translations: [opus2m-2020-08-01.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-bat/opus2m-2020-08-01.test.txt)
* test set scores: [opus2m-2020-08-01.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-bat/opus2m-2020-08-01.eval.txt)
## Benchmarks
| testset | BLEU | chr-F |
|-----------------------|-------|-------|
| newsdev2017-enlv-englav.eng.lav | 24.0 | 0.546 |
| newsdev2019-enlt-englit.eng.lit | 20.9 | 0.533 |
| newstest2017-enlv-englav.eng.lav | 18.3 | 0.506 |
| newstest2019-enlt-englit.eng.lit | 13.6 | 0.466 |
| Tatoeba-test.eng-lav.eng.lav | 42.8 | 0.652 |
| Tatoeba-test.eng-lit.eng.lit | 37.1 | 0.650 |
| Tatoeba-test.eng.multi | 37.0 | 0.616 |
| Tatoeba-test.eng-prg.eng.prg | 0.5 | 0.130 |
| Tatoeba-test.eng-sgs.eng.sgs | 4.1 | 0.178 |
### System Info:
- hf_name: eng-bat
- source_languages: eng
- target_languages: bat
- opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-bat/README.md
- original_repo: Tatoeba-Challenge
- tags: ['translation']
- prepro: normalization + SentencePiece (spm32k,spm32k)
- url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-bat/opus2m-2020-08-01.zip
- url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-bat/opus2m-2020-08-01.test.txt
- src_alpha3: eng
- tgt_alpha3: bat
- short_pair: en-bat
- chrF2_score: 0.616
- bleu: 37.0
- brevity_penalty: 0.956
- ref_len: 26417.0
- src_name: English
- tgt_name: Baltic languages
- train_date: 2020-08-01
- src_alpha2: en
- tgt_alpha2: bat
- prefer_old: False
- long_pair: eng-bat
- helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
- transformers_git_sha: 46e9f53347bbe9e989f0335f98465f30886d8173
- port_machine: brutasse
- port_time: 2020-08-18-01:48 |