Add README.md for Helsinki-NLP-opus-mt-afa-en

Helsinki-NLP-opus-mt-afa-en/README.md

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+---
+language: 
+- so
+- ti
+- am
+- he
+- mt
+- ar
+- afa
+- en
+
+tags:
+- translation
+
+license: apache-2.0
+---
+
+### afa-eng
+
+* source group: Afro-Asiatic languages 
+* target group: English 
+*  OPUS readme: [afa-eng](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/afa-eng/README.md)
+
+*  model: transformer
+* source language(s): acm afb amh apc ara arq ary arz hau_Latn heb kab mlt rif_Latn shy_Latn som tir
+* target language(s): eng
+* model: transformer
+* pre-processing: normalization + SentencePiece (spm32k,spm32k)
+* download original weights: [opus2m-2020-07-31.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/afa-eng/opus2m-2020-07-31.zip)
+* test set translations: [opus2m-2020-07-31.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/afa-eng/opus2m-2020-07-31.test.txt)
+* test set scores: [opus2m-2020-07-31.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/afa-eng/opus2m-2020-07-31.eval.txt)
+
+## Benchmarks
+
+| testset               | BLEU  | chr-F |
+|-----------------------|-------|-------|
+| Tatoeba-test.amh-eng.amh.eng 	| 35.9 	| 0.550 |
+| Tatoeba-test.ara-eng.ara.eng 	| 36.6 	| 0.543 |
+| Tatoeba-test.hau-eng.hau.eng 	| 11.9 	| 0.327 |
+| Tatoeba-test.heb-eng.heb.eng 	| 42.7 	| 0.591 |
+| Tatoeba-test.kab-eng.kab.eng 	| 4.3 	| 0.213 |
+| Tatoeba-test.mlt-eng.mlt.eng 	| 44.3 	| 0.618 |
+| Tatoeba-test.multi.eng 	| 27.1 	| 0.464 |
+| Tatoeba-test.rif-eng.rif.eng 	| 3.5 	| 0.141 |
+| Tatoeba-test.shy-eng.shy.eng 	| 0.6 	| 0.125 |
+| Tatoeba-test.som-eng.som.eng 	| 23.6 	| 0.472 |
+| Tatoeba-test.tir-eng.tir.eng 	| 13.1 	| 0.328 |
+
+
+### System Info: 
+- hf_name: afa-eng
+
+- source_languages: afa
+
+- target_languages: eng
+
+- opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/afa-eng/README.md
+
+- original_repo: Tatoeba-Challenge
+
+- tags: ['translation']
+
+- languages: ['so', 'ti', 'am', 'he', 'mt', 'ar', 'afa', 'en']
+
+- src_constituents: {'som', 'rif_Latn', 'tir', 'kab', 'arq', 'afb', 'amh', 'arz', 'heb', 'shy_Latn', 'apc', 'mlt', 'thv', 'ara', 'hau_Latn', 'acm', 'ary'}
+
+- tgt_constituents: {'eng'}
+
+- src_multilingual: True
+
+- tgt_multilingual: False
+
+- prepro:  normalization + SentencePiece (spm32k,spm32k)
+
+- url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/afa-eng/opus2m-2020-07-31.zip
+
+- url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/afa-eng/opus2m-2020-07-31.test.txt
+
+- src_alpha3: afa
+
+- tgt_alpha3: eng
+
+- short_pair: afa-en
+
+- chrF2_score: 0.46399999999999997
+
+- bleu: 27.1
+
+- brevity_penalty: 1.0
+
+- ref_len: 69373.0
+
+- src_name: Afro-Asiatic languages
+
+- tgt_name: English
+
+- train_date: 2020-07-31
+
+- src_alpha2: afa
+
+- tgt_alpha2: en
+
+- prefer_old: False
+
+- long_pair: afa-eng
+
+- helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
+
+- transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
+
+- port_machine: brutasse
+
+- port_time: 2020-08-21-14:41