Hello all! I have writing on Medium for some time, but I just realized that I never create a complete About Me page — well, here it is. My name is Cornellius Yudha Wijaya and I am originally came from Indonesia. Currently, I have a full-time job as a Data…

Which pandas data frame EDA packages suit you? — As a data scientist, our work would always involve exploring data or often called Exploratory Data Analysis (EDA). The purposes of exploring data are to know our data better and grasp what we are dealing with. Previously, exploring data using the pandas data frame is a big hassle because we…

The common word in the data field that people often miss — While learning Data Science, I am sure you will encounter many unfamiliar terms. Most of the statistical word that exists in the book or online courses would mention the word with little proper explanation. One of the terms I often hear without elaborate definition is Parametric and Non-Parametric. This word…

Learning from failure to improve our side-hustle — AI has been on a boom these recent years and will only become more prominent in years to come. This is an era where text, image, voice, and even video can be generated using AI. With all these new brand AI, many opportunities open up for new side-hustle that previously…

Learn the differences between both concepts — In statistics and data science, we often encounter correlation and causation terms. Albeit, the correlation was mentioned more often compared to causation. Nevertheless, their meaning is often associated with how two variables are related. However, correlation and causation are two different terms that stand by their definition. It's two different…

Use these free resources to kickstart your MLOps learning. — MLOps, or Machine Learning Operations, is a concept of DevOps practices application to machine learning. MLOps is basically for improving the scalability, efficiency, and reliability of machine learning in production. In the era where machine learning started to change business, MLOps is at the forefront, which made the skill sought…

These packages would help boost your workflow — Data exploration is the heart of many data activities. Before any analysis, you need to know your data better. Maybe there is an outlier? Or may the data distribution not be normal? Or what was the most frequent category? These kinds of questions can only be answered by data exploration. …

A change is required to level up our income — I always have believed that we need to diversify our income. Never put all our eggs in one basket. That is why I tried my best these past three years to build my side hustles incomes. The problem is what I have imagined needs to be aligned with reality. My…

No degree or someone could stop you from becoming a data scientist — Data Scientist is the sexiest job in the 21st century and still going strong until now. The amount of funding invested in AI is higher than ever, creating a lot of job opportunities. Moreover, every year the number of investments is increasing. …