Discriminating Human-authored from ChatGPT-Generated Code Via Discernable Feature Analysis

• URL: http://arxiv.org/abs/2306.14397v2
• Date: Tue, 4 Jul 2023 09:23:08 GMT
• Title: Discriminating Human-authored from ChatGPT-Generated Code Via Discernable Feature Analysis
• Authors: Li Ke, Hong Sheng, Fu Cai, Zhang Yunhe and Liu Ming
• Abstract summary: This paper specifically aims to distinguish code generated by ChatGPT from that authored by humans. We devise a dataset cleansing technique, which employs temporal and spatial segmentation, to mitigate the dearth of datasets. To further enrich data resources, we employ "code transformation," "feature transformation," and "feature customization" techniques, generating an extensive dataset comprising 10,000 lines of ChatGPT-generated code.
• Score: 2.9398911304923447
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The ubiquitous adoption of Large Language Generation Models (LLMs) in programming has underscored the importance of differentiating between human-written code and code generated by intelligent models. This paper specifically aims to distinguish code generated by ChatGPT from that authored by humans. Our investigation reveals disparities in programming style, technical level, and readability between these two sources. Consequently, we develop a discriminative feature set for differentiation and evaluate its efficacy through ablation experiments. Additionally, we devise a dataset cleansing technique, which employs temporal and spatial segmentation, to mitigate the dearth of datasets and to secure high-caliber, uncontaminated datasets. To further enrich data resources, we employ "code transformation," "feature transformation," and "feature customization" techniques, generating an extensive dataset comprising 10,000 lines of ChatGPT-generated code. The salient contributions of our research include: proposing a discriminative feature set yielding high accuracy in differentiating ChatGPT-generated code from human-authored code in binary classification tasks; devising methods for generating extensive ChatGPT-generated codes; and introducing a dataset cleansing strategy that extracts immaculate, high-grade code datasets from open-source repositories, thus achieving exceptional accuracy in code authorship attribution tasks.

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