Reference

1. Kaggle Natural Language Processing (NLP)🧾for Beginners(https://www.kaggle.com/faressayah/natural-language-processing-nlp-for-beginners#%F0%9F%93%91-Text-Pre-processing)

1. Kaggle Getting started with NLP - A general Intro(https://www.kaggle.com/parulpandey/getting-started-with-nlp-a-general-intro#--5.-Transforming-tokens-to-a-vector)

1. Leading countries based on number of Twitter users2021(https://www.statista.com/statistics/242606/number-of-active-twitter-users-in-selected-countries/)

1. Project sample from previous 141B class(https://palautatan.github.io/project141b/)