Performance evaluation of Reddit Comments using Machine Learning and Natural Language Processing methods in Sentiment Analysis

• URL: http://arxiv.org/abs/2405.16810v2
• Date: Tue, 28 May 2024 14:28:49 GMT
• Title: Performance evaluation of Reddit Comments using Machine Learning and Natural Language Processing methods in Sentiment Analysis
• Authors: Xiaoxia Zhang, Xiuyuan Qi, Zixin Teng,
• Abstract summary: We evaluate sentiment analysis methods across a corpus of 58,000 comments on Reddit. Our research expands the scope by evaluating a diverse array of models. Our findings reveal that the RoBERTa model consistently outperforms the baseline models.
• Score: 0.764671395172401
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Sentiment analysis, an increasingly vital field in both academia and industry, plays a pivotal role in machine learning applications, particularly on social media platforms like Reddit. However, the efficacy of sentiment analysis models is hindered by the lack of expansive and fine-grained emotion datasets. To address this gap, our study leverages the GoEmotions dataset, comprising a diverse range of emotions, to evaluate sentiment analysis methods across a substantial corpus of 58,000 comments. Distinguished from prior studies by the Google team, which limited their analysis to only two models, our research expands the scope by evaluating a diverse array of models. We investigate the performance of traditional classifiers such as Naive Bayes and Support Vector Machines (SVM), as well as state-of-the-art transformer-based models including BERT, RoBERTa, and GPT. Furthermore, our evaluation criteria extend beyond accuracy to encompass nuanced assessments, including hierarchical classification based on varying levels of granularity in emotion categorization. Additionally, considerations such as computational efficiency are incorporated to provide a comprehensive evaluation framework. Our findings reveal that the RoBERTa model consistently outperforms the baseline models, demonstrating superior accuracy in fine-grained sentiment classification tasks. This underscores the substantial potential and significance of the RoBERTa model in advancing sentiment analysis capabilities.

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