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README.md
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---
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language:
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- code
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metrics:
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- perplexity
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library_name: transformers
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pipeline_tag: fill-mask
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tags:
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- MLM
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---
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# Model Card for Model ID
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A BERT-like model pre-trained on Java buggy code.
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## Model Details
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### Model Description
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A BERT-like model pre-trained on Java buggy code.
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- **Developed by:** André Nascimento
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- **Shared by:** Hugging Face
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- **Model type:** Fill-Mask
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- **Language(s) (NLP):** Java (EN)
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- **License:** [More Information Needed]
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- **Finetuned from model:** [BERT Base Uncased](https://huggingface.co/bert-base-cased)
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## Uses
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<!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
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### Direct Use
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Fill-Mask.
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[More Information Needed]
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### Downstream Use [optional]
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The model can be used for other tasks, like Text Classification.
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### Out-of-Scope Use
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<!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
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[More Information Needed]
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## Bias, Risks, and Limitations
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<!-- This section is meant to convey both technical and sociotechnical limitations. -->
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[More Information Needed]
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### Recommendations
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<!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
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Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
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## How to Get Started with the Model
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Use the code below to get started with the model.
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```python
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from transformers import pipeline
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unmasker = pipeline('fill-mask', model='bert-base-cased')
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unmasker(java_code) # Replace with Java code; Use '[MASK]' to mask tokens/words in the code.
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```
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[More Information Needed]
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## Training Details
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### Training Data
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The model was trained on 198088 Java methods, containing the code before and after the bug fix was applied. The whole dataset was built by combining the [Dataset of Bug-Fix Pairs for small and medium methods](https://sites.google.com/view/learning-fixes/data#h.p_p8kX8c2_n_pt) source code. An 80/20 train/validation split was applied afterwards.
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### Training Procedure
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<!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
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#### Preprocessing [optional]
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Remove comments and replace consecutive whitespace characters by a single space
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#### Training Hyperparameters
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- **Training regime:** fp16 mixed precision <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
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#### Speeds, Sizes, Times [optional]
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<!-- This section provides information about throughput, start/end time, checkpoint size if relevant, etc. -->
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[More Information Needed]
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## Evaluation
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<!-- This section describes the evaluation protocols and provides the results. -->
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### Testing Data, Factors & Metrics
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#### Testing Data
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The model was evaluated on 49522 Java methods, from the 20% split of the dataset mentioned in [Training Data](#training-data)
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[More Information Needed]
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#### Factors
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<!-- These are the things the evaluation is disaggregating by, e.g., subpopulations or domains. -->
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[More Information Needed]
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#### Metrics
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<!-- These are the evaluation metrics being used, ideally with a description of why. -->
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[More Information Needed]
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### Results
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[More Information Needed]
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#### Summary
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## Model Examination [optional]
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<!-- Relevant interpretability work for the model goes here -->
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[More Information Needed]
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## Environmental Impact
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<!-- Total emissions (in grams of CO2eq) and additional considerations, such as electricity usage, go here. Edit the suggested text below accordingly -->
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Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
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- **Hardware Type:** [More Information Needed]
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- **Hours used:** [More Information Needed]
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- **Cloud Provider:** [More Information Needed]
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- **Compute Region:** [More Information Needed]
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- **Carbon Emitted:** [More Information Needed]
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## Technical Specifications [optional]
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### Model Architecture and Objective
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[More Information Needed]
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### Compute Infrastructure
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[More Information Needed]
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#### Hardware
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[More Information Needed]
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#### Software
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[More Information Needed]
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## Citation [optional]
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<!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
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**BibTeX:**
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[More Information Needed]
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**APA:**
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[More Information Needed]
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## Glossary [optional]
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<!-- If relevant, include terms and calculations in this section that can help readers understand the model or model card. -->
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[More Information Needed]
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## More Information [optional]
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[More Information Needed]
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## Model Card Authors [optional]
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[More Information Needed]
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## Model Card Contact
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[More Information Needed]
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