ExpoNET Project Jupyter notebooks are available here.
Also check out my other GitHub repositories, with resources on text processing and text analysis of news, political texts and social media data, as well as collecting data for research using various APIs. Scripts are in Python and R.
Computational text analysis and NLP
I teach the Introduction to Computational Text Analysis course at Essex Summer School in Social Science and Data Analysis. You can find a description of the course and information about registration here: https://essexsummerschool.com/summer-school-facts/courses/2021-course-list/1b/
One of my old talks on "Natural Language Processing in Python using NLTK" is still popular, and is available as a video.