Table 12 RoBERTa performance across text-length bins.

From: Classifying human vs. AI text with machine learning and explainable transformer models

Length Bin

N

Accuracy

Precision

Recall

F1-score

Very Short

3

1.000

1.000

1.000

1.000

Short

11

1.000

1.000

1.000

1.000

Medium

40

0.950

0.952

0.952

0.952

Long

46

1.000

1.000

1.000

1.000