roberta-base-sentiment140

This model is a fine-tuned version of FacebookAI/roberta-base on the sentiment140 dataset. It achieves the following results on the evaluation set:

• Loss: 0.3988
• Accuracy: 0.883
• Roc Auc: 0.9515
• Precision: 0.8802
• Recall: 0.8784
• F1: 0.8793

Model description

More information needed

Intended uses & limitations

More information needed

Training and evaluation data

More information needed

Training procedure

Training hyperparameters

The following hyperparameters were used during training:

• learning_rate: 2e-05
• train_batch_size: 32
• eval_batch_size: 64
• seed: 42
• optimizer: Use adamw_torch with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
• lr_scheduler_type: linear
• lr_scheduler_warmup_ratio: 0.1
• num_epochs: 10

Training results

Training Loss	Epoch	Step	Validation Loss	Accuracy	Roc Auc	Precision	Recall	F1
0.2864	1.0	49969	0.3030	0.777	0.9470	0.6921	0.9732	0.8089
0.255	2.0	99938	0.2872	0.885	0.9553	0.8585	0.9134	0.8851
0.239	3.0	149907	0.2921	0.881	0.9543	0.8690	0.8887	0.8787
0.2042	4.0	199876	0.3028	0.891	0.9549	0.8821	0.8948	0.8884
0.187	5.0	249845	0.3192	0.89	0.9536	0.8788	0.8969	0.8878
0.1606	6.0	299814	0.3670	0.885	0.9514	0.8715	0.8948	0.8830
0.1343	7.0	349783	0.3988	0.883	0.9515	0.8802	0.8784	0.8793

Framework versions

• Transformers 4.49.0
• Pytorch 2.6.0+cu124
• Datasets 3.3.2
• Tokenizers 0.21.0