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README.md
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library_name: transformers
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license: mit
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base_model: xlm-roberta-base
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tags:
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- generated_from_trainer
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metrics:
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- precision
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- recall
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- f1
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- accuracy
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language:
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- multilingual
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- af
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- am
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- ar
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- as
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- ba
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- be
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- bg
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- bn
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- bo
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- br
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- bs
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- ca
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- ce
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- ckb
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- cs
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- cy
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- da
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- de
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- dv
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- el
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- en
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- eo
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- es
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- et
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- eu
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- fa
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- fi
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- fr
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- ga
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- gd
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- gl
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- gu
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- he
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- hi
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- hr
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- hu
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- hy
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- id
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- is
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- it
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- ja
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- jv
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- ka
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- kk
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- km
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- kn
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- ko
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- ku
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- ky
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- la
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- lb
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- lo
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- lt
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- lv
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- mg
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- mk
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- ml
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- mn
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- mr
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- ms
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- mt
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- my
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- ne
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- nl
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- 'no'
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- ny
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- oc
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- om
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- or
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- pa
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- pl
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- ps
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- pt
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- rm
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- ro
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- ru
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- sd
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- si
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- sk
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- sl
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- so
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- sq
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- sr
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- su
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- sv
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- sw
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- ta
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- te
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- tg
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- th
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- ti
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- tl
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- tr
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- tt
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- ug
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- uk
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- ur
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- uz
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- vi
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- yo
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- zh
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- zu
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model-index:
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- name: polyglot-tagger
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results: []
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datasets:
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- wikimedia/wikipedia
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- HuggingFaceFW/finetranslations
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- google/smol
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- DerivedFunction/nlp-noise-snippets
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- DerivedFunction/wikipedia-language-snippets-filtered
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- DerivedFunction/finetranslations-filtered
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- DerivedFunction/lang-ner-v2
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- DerivedFunction/tatoeba-filtered
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pipeline_tag: token-classification
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---
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Fine-tuned `xlm-roberta-base` for sentence-level language tagging across 100 languages.
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The model predicts BIO-style language tags over tokens, which makes it useful for
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language identification, code-switch detection, and multilingual document analysis.
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## Model description
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Introducing Polyglot Tagger, a new way to classify multi-lingual documents. By training specifically on token classification on individual sentences, the model
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generalizes well on a variety of languages, while also behaves as a multi-label classifier, and extracts sentences based on its language.
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## Intended uses & limitations
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This model can be treated as a base model for further fine-tuning on specific language identification extraction tasks.
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Note that as a general language tagging model, it can potentially get confused from shared language families or from short texts. For example, English and German, Spanish and Portuguese, and Russian and Ukrainian.
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The model is trained on a sentence with a minimum of four tokens, so it may not accurately classify very short and ambigous statements. Note that this model is experimental
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and may produce unexpected results compared to generic text classifiers. It is trained on cleaned text, therefore, "messy" text may unexpectedly produce different results.
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> Note that Romanized versions of any language may only have minor representation in the training set, such as Romanized Russian, and Hindi.
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### Training and Evaluation Data
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A synthetic training row consists of 1-4 individual and mostly independent sentences extracted from various sources. The actual training and evaluation data, as well as coverage
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is found in `DerivedFunction/lang-ner-v2`.
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It achieves the following results on the evaluation set:
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- Loss: 0.0427
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- Precision: 0.8949
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- Recall: 0.9144
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- F1: 0.9046
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- Accuracy: 0.9892
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## Training procedure
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### Training hyperparameters
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The following hyperparameters were used during training:
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- learning_rate: 5e-05
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- train_batch_size: 72
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- eval_batch_size: 36
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- seed: 42
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- gradient_accumulation_steps: 2
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- total_train_batch_size: 144
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- optimizer: Use OptimizerNames.ADAMW_TORCH_FUSED with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
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- lr_scheduler_type: linear
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- num_epochs: 2
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- mixed_precision_training: Native AMP
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### Training results
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| Training Loss | Epoch | Step | Validation Loss | Precision | Recall | F1 | Accuracy |
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|:-------------:|:------:|:-----:|:---------------:|:---------:|:------:|:------:|:--------:|
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| 0.0919 | 0.0894 | 2500 | 0.1243 | 0.7388 | 0.8336 | 0.7833 | 0.9712 |
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| 0.0798 | 0.1788 | 5000 | 0.0950 | 0.7928 | 0.8607 | 0.8254 | 0.9774 |
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| 0.0738 | 0.2682 | 7500 | 0.0857 | 0.8173 | 0.8722 | 0.8438 | 0.9785 |
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| 0.0611 | 0.3575 | 10000 | 0.0797 | 0.8247 | 0.8767 | 0.8499 | 0.9812 |
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| 0.0588 | 0.4469 | 12500 | 0.0732 | 0.8336 | 0.8843 | 0.8582 | 0.9822 |
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| 0.0542 | 0.5363 | 15000 | 0.0665 | 0.8560 | 0.8922 | 0.8737 | 0.9838 |
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| 0.0557 | 0.6257 | 17500 | 0.0613 | 0.8607 | 0.8949 | 0.8775 | 0.9845 |
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| 0.0486 | 0.7151 | 20000 | 0.0590 | 0.8567 | 0.8953 | 0.8755 | 0.9851 |
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| 0.0474 | 0.8045 | 22500 | 0.0601 | 0.8660 | 0.8971 | 0.8813 | 0.9854 |
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| 0.0545 | 0.8938 | 25000 | 0.0574 | 0.8675 | 0.9003 | 0.8836 | 0.9857 |
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| 0.0485 | 0.9832 | 27500 | 0.0566 | 0.8723 | 0.9018 | 0.8868 | 0.9858 |
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| 0.0440 | 1.0726 | 30000 | 0.0522 | 0.8769 | 0.9042 | 0.8904 | 0.9867 |
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| 0.0396 | 1.1620 | 32500 | 0.0509 | 0.8761 | 0.9046 | 0.8901 | 0.9873 |
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| 0.0383 | 1.2514 | 35000 | 0.0489 | 0.8788 | 0.9057 | 0.8921 | 0.9879 |
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| 0.0370 | 1.3408 | 37500 | 0.0486 | 0.8842 | 0.9087 | 0.8963 | 0.9877 |
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| 0.0350 | 1.4302 | 40000 | 0.0489 | 0.8769 | 0.9054 | 0.8909 | 0.9874 |
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| 0.0330 | 1.5195 | 42500 | 0.0478 | 0.8842 | 0.9091 | 0.8965 | 0.9879 |
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| 0.0308 | 1.6089 | 45000 | 0.0458 | 0.8897 | 0.9122 | 0.9008 | 0.9888 |
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| 0.0317 | 1.6983 | 47500 | 0.0454 | 0.8873 | 0.9114 | 0.8992 | 0.9887 |
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| 0.0322 | 1.7877 | 50000 | 0.0447 | 0.8900 | 0.9117 | 0.9007 | 0.9888 |
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| 0.0310 | 1.8771 | 52500 | 0.0439 | 0.8910 | 0.9126 | 0.9017 | 0.9888 |
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| 0.0294 | 1.9665 | 55000 | 0.0427 | 0.8949 | 0.9144 | 0.9046 | 0.9892 |
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### Framework versions
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- Transformers 5.0.0
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- Pytorch 2.10.0+cu128
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- Datasets 4.0.0
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- Tokenizers 0.22.2
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