I have a pandas dataframe like this: Text start end entity value I love apple 7 11 fruit apple I ate potato 6 11 vegetable potato I have tried to use a for loop It's running slow and I don't think this is what we should do with pandas. I want to create another pandas dataframe base on this like: Sentence# Word Tag 1 I Object 1 love Object 1 apple fruit 2 I Object 2 ate Object 2 potato vegetable Split the text column into words and sentence numbers. Other than the entity word, the other words will be tagged as Object. Continue reading...