LCC_csharp is a C# code comment dataset released by Microsoft in 2023, originating from the Large Code Comments (LCC) project, designed to provide high-quality corpora for tasks such as code understanding, code generation, and code comment analysis.

The dataset is approximately 2.12 GB and contains 120,000 C# code and comment samples, divided into training, validation, and test sets. Each sample mainly includes code context and the corresponding target comment, which can be used for pre-training, fine-tuning, and evaluation of code-related NLP models.

Dataset Composition

The dataset includes the following three parts:

• Training set (train): 100,000 samples, approximately 1.85 GB.
• Validation set (validation): 10,000 samples, approximately 136 MB.
• Test set (test): 10,000 samples, approximately 136 MB.

Each sample mainly includes the following fields:

• context: C# code context.
• gt: The corresponding target comment or label.