Why ahab and Ahab make the difference in nltk dispersion_plot?
from nltk.book import (
text1 as mobydick
)
mobydick.dispersion_plot(['starbuck', 'captain', 'ahab'])
mobydick.dispersion_plot(['starbuck', 'captain', 'Ahab'])
Environment
NLTK: 3.8.1
Python: 3.9.13