How to run the "run_lm_finetuning.py" with my own corpus?
## ❓ Questions & Help

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 Hello! I am a phD student in Beijing Normal University. I'm trying to further pre-train the model "bert-base-chinese" with my own corpus using the "run_lm_finetuning.py". However in the Examples, there is only an example using WikiText-2. If I use my corpus, what format should my data file has ? Thank you !
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