Update README.md

README.md

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+---
+language: en
+tags:
+- pytorch
+- question-answering
+datasets:
+- squad2
+metrics:
+- exact
+- f1
+widget:
+- text: "What discipline did Winkelmann create?"
+  context: "Johann Joachim Winckelmann was a German art historian and archaeologist. He was a pioneering Hellenist who first articulated the difference between Greek, Greco-Roman and Roman art. The prophet and founding hero of modern archaeology, Winckelmann was one of the founders of scientific archaeology and first applied the categories of style on a large, systematic basis to the history of art."
+---
+
+# roberta-large-finetuned-squad2
+
+## Model description
+
+This model is based on [facebook/bart-large](https://huggingface.co/facebook/bart-large) and was finetuned on [SQuAD2.0](https://rajpurkar.github.io/SQuAD-explorer/). The corresponding papers you can found [here (model)](https://arxiv.org/pdf/1910.13461.pdf) and [here (data)](https://arxiv.org/abs/1806.03822).
+
+
+## How to use
+
+```python
+from transformers.pipelines import pipeline
+
+model_name = "phiyodr/bart-large-finetuned-squad2"
+nlp = pipeline('question-answering', model=model_name, tokenizer=model_name)
+inputs = {
+    'question': 'What discipline did Winkelmann create?',
+    'context': 'Johann Joachim Winckelmann was a German art historian and archaeologist. He was a pioneering Hellenist who first articulated the difference between Greek, Greco-Roman and Roman art. "The prophet and founding hero of modern archaeology", Winckelmann was one of the founders of scientific archaeology and first applied the categories of style on a large, systematic basis to the history of art. '
+}
+nlp(inputs)
+```
+
+
+
+## Training procedure
+
+```
+{
+	"base_model": "facebook/bart-large",
+	"do_lower_case": True,
+	"learning_rate": 3e-5,
+	"num_train_epochs": 4,
+	"max_seq_length": 384,
+	"doc_stride": 128,
+	"max_query_length": 64,
+	"batch_size": 96 
+}
+```
+
+## Eval results
+
+- Data: [dev-v2.0.json](https://rajpurkar.github.io/SQuAD-explorer/dataset/dev-v2.0.json)
+- Script: [evaluate-v2.0.py](https://worksheets.codalab.org/rest/bundles/0x6b567e1cf2e041ec80d7098f031c5c9e/contents/blob/) (original script from [here](https://github.com/huggingface/transformers/blob/master/examples/question-answering/README.md))
+
+```
+{
+  "exact": 81.96748926134929,
+  "f1": 85.93825235371045,
+  "total": 11873,
+  "HasAns_exact": 78.71120107962213,
+  "HasAns_f1": 86.6641144054667,
+  "HasAns_total": 5928,
+  "NoAns_exact": 85.21446593776282,
+  "NoAns_f1": 85.21446593776282,
+  "NoAns_total": 5945
+}
+
+```
+