Raymond Cheng – Medium

Raymond Cheng

Raymond Cheng
in
Towards Data Science

Understanding TF-IDF: A Traditional Approach to Feature Extraction in NLP

Learn the fundamentals of TF-IDF and how to implement it from scratch in Python

Mar 30, 2023

Understanding TF-IDF: A Traditional Approach to Feature Extraction in NLP

Mar 30, 2023

Raymond Cheng
in
Towards Data Science

Pandas GroupBy, Explained Simply

Step-by-step examples and different use cases of Pandas GroupBy

Jun 7, 2022

Pandas GroupBy, Explained Simply

Jun 7, 2022

Raymond Cheng
in
Towards Data Science

Broadcasting in Numpy: A Powerful Technique You Should Know

The ins and outs of how broadcasting works under the hood

May 26, 2022

Broadcasting in Numpy: A Powerful Technique You Should Know

May 26, 2022

Raymond Cheng
in
Towards Data Science

Vectorization: Must-know Technique to Speed Up Operations 100x Faster

Needed in any modern data science or machine learning applications

May 24, 2022

Vectorization: Must-know Technique to Speed Up Operations 100x Faster

May 24, 2022

Raymond Cheng
in
Towards Data Science

Build a Song Recommendation System using Streamlit and Deploy on Heroku

Learn how to build a simple song recommendation engine using K-Nearest Neighbors with the Spotify Music Dataset

Jan 11, 2022

Build a Song Recommendation System using Streamlit and Deploy on Heroku

Jan 11, 2022

Raymond Cheng
in
DataDrivenInvestor

Beginner’s Guide to Web Scraping using BeautifulSoup and Python

Simple tutorial covering the basics of BeautifulSoup with examples on how to scrape a Wikipedia article

Jul 25, 2021

Beginner’s Guide to Web Scraping using BeautifulSoup and Python

Jul 25, 2021

Raymond Cheng
in
Towards Data Science

Beginner’s Guide to Regular Expressions in Python

Simple tutorial on Regular Expressions covering all the basics you need to know

Jul 22, 2021

Beginner’s Guide to Regular Expressions in Python

Jul 22, 2021

Raymond Cheng
in
DataDrivenInvestor

Top 20 Master’s Programs in AI & Data Science 2021

A list of the best Machine Learning/Data Science programs in the US

Jun 30, 2021

Top 20 Master’s Programs in AI & Data Science 2021

Jun 30, 2021

Raymond Cheng
in
Towards Data Science

Why I chose Master’s instead of Ph.D. for AI & Data Science

The top 3 factors for choosing between Masters and Ph.D.

Jun 8, 2021

Why I chose Master’s instead of Ph.D. for AI & Data Science

Jun 8, 2021

Raymond Cheng

My CS College Degree in 5 Minutes

Courses and projects I did during my bachelor’s

Jun 7, 2021

My CS College Degree in 5 Minutes

Jun 7, 2021

Raymond Cheng

Raymond Cheng

Master’s Student at Carnegie Mellon, Top Writer in AI, Top 1000 Writer, Blogging on ML | Data Science | NLP. Linkedin: https://www.linkedin.com/in/itsuncheng/

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