Anshoo Mehra
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README.md
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---
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license: apache-2.0
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tags:
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- generated_from_trainer
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metrics:
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- squad
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model-index:
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- name: roberta-base-fineTuned-squadV1QA
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results: []
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---
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# t5-v1_1-base-squadV2AutoQgen
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This model is a fine-tuned version of [roberta-base](roberta-base) on SQUAD dataset.
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It achieves the following results on the evaluation set:
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{'exact_match': 86.14001892147587, 'f1': 92.33036616751536}
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## Model description
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roberta-base has been fine-tuned with SQUAD dataset with QuestionAnswering LM Head.
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## Intended uses & limitations
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The model intended to be used for Q&A task, given the context and question, model would attempt to infer answer text, answer span and probability scores.
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## Training and evaluation data
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SQUAD Split
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## Training procedure
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Preprocessing:
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1. SQUAD Data longer chunks were sub-chunked with input context max-length 384 tokens and stride as 128 tokens.
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2. Target answers readjusted for sub-chunks, sub-chunks with no-answers or partial answers were set to target answer span as (0,0)
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Metrics:
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1. Adjusted accordingly to handle sub-chunking.
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2. n best = 20
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3. skip answers with length zero or higher than max answer length (30)
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### Training hyperparameters
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Custom Training Loop:
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The following hyperparameters were used during training:
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- learning_rate: 2e-5
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- train_batch_size: 32
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- eval_batch_size: 32
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- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
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- lr_scheduler_type: linear
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- num_epochs: 2
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### Training results
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| Epoch | F1 | Exact Match |
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|:-----:|:--------:|:-----------:|
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| 1.0 | 91.3085 | 84.5412 |
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| 2.0 | 92.3304 | 86.1400 |
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### Framework versions
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- Transformers 4.23.0.dev0
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- Pytorch 1.12.1+cu113
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- Datasets 2.5.2
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- Tokenizers 0.13.0
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