Use OAuth to access age-restricted videos, and ffmpeg to get high resolution 2160p (4K) videos — Skip to sample code: https://github.com/JNYH/pytube/blob/master/pytube_sample_code.ipynb Please note that all videos on YouTube are copyrighted. Do not use them for commercial purposes. I keep some videos that I like in my personal storage, so that I can access them without the need for the internet. There are 2 ways to download…

Efficient modelling of tabular dataset — This is a memo to share what I have learnt in Extreme Gradient Boosting with XGBoost, capturing the learning objectives as well as my personal notes. The course is taught by Sergey Fogelson from DataCamp. Gradient boosting is currently one of the most popular techniques for efficient modeling of tabular…

Summary on The Great Resignation The Great Resignation (or the Big Quit) describes the higher-than-normal quit rate of workers. The phenomena has been observed from the second quarter of 2021, where a tidal wave of resignations occurred in US and Europe. In April 2021, as COVID-19 vaccination rates increased, evidence…

Let my bots work hard 24/7 while I focus on the finer things in life! — Dominos leverages chatbot technology to improve their brand awareness. They built a chatbot on Facebook Messenger to provide a convenient order process. With the bot, they are enabling customers to order pizza from anywhere using their mobile phone. Bots and automations are infiltrating everywhere in my life. They are widely…

Start to accumulate digital assets today! — Sign up with my referral link to receive $100: https://margex.com/?rid=19759444 Launched in 2020, Margex is a relatively new cryptocurrencies trading platform that is growing massively in popularity especially for newcomers. Margex supports the trading of 6 cryptos (BTC, ETH, XRP, EOS, LTC, and YFI) against the US Dollars, with leverage…

How good is your machine learning model? —

Fundamental concepts in supervised machine learning — This is a memo to share what I have learnt in Machine Learning with Tree-Based Models (using Python), capturing the learning objectives as well as my personal notes. The course is taught by Elie Kawerk from DataCamp. Decision trees are supervised learning models used for problems involving classification and regression. …

A beginner’s guide to the basic concepts of Apache Airflow — This is a memo to share what I have learnt in Apache Airflow, capturing the learning objectives as well as my personal notes. The course is taught by Mike Metzger from DataCamp. A data engineer’s job includes writing scripts, adding complex CRON tasks, and trying various ways to meet an…

Multiple Linear Regression, R², Adjusted R², MSE, p-value — Statistics and coding are fundamentally important in the data science field. Since a lot of a data science work is carried out with code, I would highly recommend learning statistics with a heavy focus on coding, preferably in Python or R. In my previous article, I shared about how to…