Exercise

String operators with the Twitter data

You continue working with the tweets data where the text column stores the content of each tweet.

Your task is to turn the text column into a list of tokens. Then, using string operators, remove all non-alphabetic characters from the created list of tokens.

Instructions

100 XP

Import the word tokenizing function.
Create word tokens from each tweet.
Filter out all non-alphabetic characters from the created list, i.e. retain only letters.