readme: ---
  language: 
  - en
  - sit
  
  tags:
  - translation
  
  license: apache-2.0
  ---
  
  ### eng-sit
  
  * source group: English 
  * target group: Sino-Tibetan languages 
  *  OPUS readme: [eng-sit](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-sit/README.md)
  
  *  model: transformer
  * source language(s): eng
  * target language(s): bod brx brx_Latn cjy_Hans cjy_Hant cmn cmn_Hans cmn_Hant gan lzh lzh_Hans mya nan wuu yue yue_Hans yue_Hant zho zho_Hans zho_Hant
  * 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-sit/opus2m-2020-08-01.zip)
  * test set translations: [opus2m-2020-08-01.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-sit/opus2m-2020-08-01.test.txt)
  * test set scores: [opus2m-2020-08-01.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-sit/opus2m-2020-08-01.eval.txt)
  
  ## Benchmarks
  
  | testset               | BLEU  | chr-F |
  |-----------------------|-------|-------|
  | newsdev2017-enzh-engzho.eng.zho 	| 23.5 	| 0.217 |
  | newstest2017-enzh-engzho.eng.zho 	| 23.2 	| 0.223 |
  | newstest2018-enzh-engzho.eng.zho 	| 25.0 	| 0.230 |
  | newstest2019-enzh-engzho.eng.zho 	| 20.2 	| 0.225 |
  | Tatoeba-test.eng-bod.eng.bod 	| 0.4 	| 0.147 |
  | Tatoeba-test.eng-brx.eng.brx 	| 0.5 	| 0.012 |
  | Tatoeba-test.eng.multi 	| 25.7 	| 0.223 |
  | Tatoeba-test.eng-mya.eng.mya 	| 0.2 	| 0.222 |
  | Tatoeba-test.eng-zho.eng.zho 	| 29.2 	| 0.249 |
  
  
  ### System Info: 
  - hf_name: eng-sit
  
  - source_languages: eng
  
  - target_languages: sit
  
  - opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-sit/README.md
  
  - original_repo: Tatoeba-Challenge
  
  - tags: ['translation']
  
  - languages: ['en', 'sit']
  
  - src_constituents: {'eng'}
  
  - tgt_constituents: set()
  
  - src_multilingual: False
  
  - tgt_multilingual: True
  
  - prepro:  normalization + SentencePiece (spm32k,spm32k)
  
  - url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-sit/opus2m-2020-08-01.zip
  
  - url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-sit/opus2m-2020-08-01.test.txt
  
  - src_alpha3: eng
  
  - tgt_alpha3: sit
  
  - short_pair: en-sit
  
  - chrF2_score: 0.223
  
  - bleu: 25.7
  
  - brevity_penalty: 0.907
  
  - ref_len: 109538.0
  
  - src_name: English
  
  - tgt_name: Sino-Tibetan languages
  
  - train_date: 2020-08-01
  
  - src_alpha2: en
  
  - tgt_alpha2: sit
  
  - prefer_old: False
  
  - long_pair: eng-sit
  
  - helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
  
  - transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
  
  - port_machine: brutasse
  
  - port_time: 2020-08-21-14:41