Rethinking Data Science Interviews in the Age of AI
How AI is transforming data science interviews — and what hiring managers and candidates should do to adapt.
Articles
The Secret Power of Data Science in Customer Support
Customer Support is a data goldmine. Here’s how to unlock its full potential with data science.
How AI Is Rewriting the Day-to-Day of Data Scientists
From eliminating low-value tasks to accelerating high-impact projects, here’s how AI is reshaping the data science workflow.
Google’s Data Science Agent: Can It Really Do Your Job?
I tested Google’s Data Science Agent in Colab—here’s what it got right (and where it failed).
Mastering 1:1s as a Data Scientist: From Status Updates to Career Growth
Use your 1:1s to gain visibility, solve challenges, and advance your career.
DeepSeek V3: A New Contender in AI-Powered Data Science
How DeepSeek’s budget-friendly AI model stacks up against ChatGPT, Claude, and Gemini in SQL, EDA, and machine learning.
Unlocking the Power of Machine Learning in Analytics: Practical Use Cases and Skills
Your essential machine learning checklist to excel as a data scientist in analytics.
5 Essential Tips to Build Business Dashboards Stakeholders Love
A practical guide to designing clear, effective, and actionable dashboards for decision-making.
From Data Scientist to Data Manager: My First 3 Months Leading a Team
Reflections on moving from hands-on work to mentoring and leading.
My Medium Journey as a Data Scientist: 6 Months, 18 Articles, and 3,000 Followers
Real numbers, earnings, and data-driven growth strategy for Medium writers.
From Insights to Impact: Presentation Skills Every Data Scientist Needs
How to structure, design, and deliver data presentations that win over stakeholders.
Top 5 Principles for Building User-Friendly Data Tables
Designing intuitive and reliable tables that your data team will love.
Beyond Line and Bar Charts: 7 Less Common But Powerful Visualization Types
Step up your data storytelling game with these creative and insightful visualizations.
Seven Common Causes of Data Leakage in Machine Learning
Key Steps in Data Preprocessing, Feature Engineering, and Train-test Splitting to Prevent Data Leakage.
ChatGPT vs. Claude vs. Gemini for Data Analysis (Part 3): Best AI Assistant for Machine Learning
How AI can accelerate your ML projects from feature engineering to model training.
ChatGPT vs. Claude vs. Gemini for Data Analysis (Part 2): Who’s the Best at EDA?
Five criteria to compare ChatGPT, Claude, and Gemini in tackling Exploratory Data Analysis.
Build a RAG-Based Chatbot to Retrieve Visualizations in 3 Steps
A step-by-step guide to creating a visualization discovery chatbot with OpenAI API, FAISS, and Streamlit.
ChatGPT vs. Claude vs. Gemini for Data Analysis (Part 1)
Ten Questions to test which AI assistant writes the best SQL.
Navigating Data Science: B2C vs. B2B Analytics
How Customer Types Shape Data Science Roles and Methodologies.
Evaluating ChatGPT’s Data Analysis Improvements: Interactive Tables and Charts
Is ChatGPT becoming a BI tool?
Building a Standout Data Science Portfolio: A Comprehensive Guide
Learn how to create an impactful data science portfolio that showcases your skills and attracts potential employers.
Mastering SQL Optimization: From Functional to Efficient Queries
Six Simple Yet Effective SQL Tips That Helped Me Reduce 50 Hours of Snowflake Query Time Every Day.
330 Weeks of Data Visualizations: My Journey and Key Takeaways
How consistent practice in data visualization enhanced my data science skills.
My Five Key Learnings To Be a Better Data Scientist
Reflection on my six-year data science career.
From Web Pages to Insights: Integrating Web Scraping and Text Analysis with GPT
Use GPT to summarise content and extract structured data from web pages.
Boost Your Data Analysis with the New ChatGPT Desktop App
How does ChatGPT Desktop App seamlessly integrate into your data analysis workflow and boost productivity.
Topic Summarization and Categorization with GPT
Use GPT-3.5 API for text analytics to categorize and summarize data science blog posts.
Evaluating ChatGPT in Data Science: Churn Prediction Analysis As An Example
Can ChatGPT assist or even replace a data scientist?.
My First GPTs
In my previous post, I delved into the exciting realm of OpenAI’s latest offerings, setting the stage for an even more intriguing exploration this week. Toda...
Update My Blog with GPT
Today, I gained access to the GPT All Tools feature, an exciting upgrade for Plus users that integrates DALLE, browsing, and analysis with GPT-4, all within ...
Course Notes - ChatGPT Prompt Engineering
ChatGPT has been a very hot topic recently, and has shown great potential to improve productivity. Yesterday, I took the ChatGPT Prompt Engineering for Devel...
2023 LinkedIn Post Engagement Analysis
On Jan 2nd this year, I posted my annual reflection on LinkedIn. I am very happy to see some great interactions on the post and as a result, an increase in w...
Five Years in My DS Career
I started my first full-time data science job in Jan 2018, working as an Associate Product Analyst at Ancestry.com. This month, I officially finished the 5th...
My Atypical LeetCode Weekly Contests Journey As a Data Scientist
I did my first Leetcode Weekly Contest back in April 2020 (Contest 186). Since then, I have been participating in the weekly contest almost every Saturday, a...
How I Ramped Up My Blog Site UI
This weekend, I spent ~5 hours ramping up the UI of this personal website. Previously, it was using the default ‘slate’ Jekyll theme, which was set up direct...
My Data Science Projects List
This is an archive of my past data science and analytics projects. Data Science & Analytics Projects Fraud Detection Machine Learning Algorithms ...
Advice On Starting A New Job
This week marked my first month at Brex. Time flies and it’s always surprising to see how many discoveries I have made in this first month when looking back....
Data Science & Analytics Reading List
This summer I got the opprotunity to mentor an intern in the Product Analytics team at Ancestry. I personally learned a lot from my mentor when I was an anal...
A Starter Code for Xgboost Regression
These days I have been writing too much SQL… Therefore, last week, to refresh my knowledge on xgboost and general modeling project process in R and Python, I...
Online Courses Reviews
Online courses have been a great supplementary part to my offline study and work. Whenever I am interested in exploring some new fields, or find myself lacki...