Exercise

Cleaning TED talks in a dataframe

In this exercise, we will revisit the TED Talks from the first chapter. You have been a given a dataframe ted consisting of 5 TED Talks. Your task is to clean these talks using techniques discussed earlier by writing a function preprocess and applying it to the transcript feature of the dataframe.

The stopwords list is available as stopwords.

Instructions

100 XP

Generate the Doc object for text. Ignore the disable argument for now.
Generate lemmas using list comprehension using the lemma_ attribute.
Remove non-alphabetic characters using isalpha() in the if condition.