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.
How AI is transforming data science interviews — and what hiring managers and candidates should do to adapt.
Weekly Viz 2025-08-04
List of my weekly visualizations in 2025 (eightly year since 2018)
Weekly Viz 2025-07-28
Weekly Viz 2025-07-21
Weekly Viz 2025-07-14
Weekly Viz 2025-07-07
My Medium Articles! In the past two months, I continued writing articles per month on Medium and Towards Data Science. Here you go: The Secret Power of D...
Customer Support is a data goldmine. Here’s how to unlock its full potential with data science.
Weekly Viz 2025-06-30
Weekly Viz 2025-06-23
Weekly Viz 2025-06-16
Weekly Viz 2025-06-09
From eliminating low-value tasks to accelerating high-impact projects, here’s how AI is reshaping the data science workflow.
Weekly Viz 2025-06-02
Weekly Viz 2025-05-26
Weekly Viz 2025-05-19
Weekly Viz 2025-05-12
Weekly Viz 2025-05-05
My Medium Articles! In the past two months, I continued writing articles per month on Medium and Towards Data Science. Here you go: Google’s Data Science...
Weekly Viz 2025-04-28
I tested Google’s Data Science Agent in Colab—here’s what it got right (and where it failed).
Weekly Viz 2025-04-21
Weekly Viz 2025-04-14
Weekly Viz 2025-04-07
Use your 1:1s to gain visibility, solve challenges, and advance your career.
Weekly Viz 2025-03-31
Weekly Viz 2025-03-24
Weekly Viz 2025-03-17
Weekly Viz 2025-03-10
My Medium Articles! In the past two months, I continued writing articles per month on Medium and Towards Data Science. Here you go: Unlocking the Power o...
Weekly Viz 2025-03-03
Weekly Viz 2025-02-24
Weekly Viz 2025-02-17
Weekly Viz 2025-02-10
Weekly Viz 2025-02-03
How DeepSeek’s budget-friendly AI model stacks up against ChatGPT, Claude, and Gemini in SQL, EDA, and machine learning.
Weekly Viz 2025-01-27
Weekly Viz 2025-01-20
Your essential machine learning checklist to excel as a data scientist in analytics.
Weekly Viz 2025-01-13
Weekly Viz 2025-01-06
My Medium Articles! In the past two months, I kept the pace of writing 2 articles per month on Medium. Here you go: My Medium Journey as a Data Scientist...
This is my seventh year of this weekly visualization project. I began this journey in 2018 when I started my first full-time job. The goal is to visualize a ...
Weekly Viz 2024-12-30
Weekly Viz 2024-12-23
Weekly Viz 2024-12-16
A practical guide to designing clear, effective, and actionable dashboards for decision-making.
Weekly Viz 2024-12-09
Weekly Viz 2024-12-02
Reflections on moving from hands-on work to mentoring and leading.
Weekly Viz 2024-11-25
Weekly Viz 2024-11-18
Weekly Viz 2024-11-11
Real numbers, earnings, and data-driven growth strategy for Medium writers.
Weekly Viz 2024-11-04
My Medium Articles! It has been six months since I started writing on Medium and I am approaching 3k followers now! Below are the articles I posted lately. ...
Weekly Viz 2024-10-28
How to structure, design, and deliver data presentations that win over stakeholders.
Weekly Viz 2024-10-21
Weekly Viz 2024-10-14
Designing intuitive and reliable tables that your data team will love.
Weekly Viz 2024-10-07
Weekly Viz 2024-09-30
Step up your data storytelling game with these creative and insightful visualizations.
Weekly Viz 2024-09-23
Weekly Viz 2024-09-16
Key Steps in Data Preprocessing, Feature Engineering, and Train-test Splitting to Prevent Data Leakage.
Weekly Viz 2024-09-09
Weekly Viz 2024-09-02
My Medium Articles! In the past two months, I continued writing data science and AI contents on Medium. I am super excited to have more than 1k followers no...
How AI can accelerate your ML projects from feature engineering to model training.
Weekly Viz 2024-08-26
Weekly Viz 2024-08-19
Five criteria to compare ChatGPT, Claude, and Gemini in tackling Exploratory Data Analysis.
Weekly Viz 2024-08-12
A step-by-step guide to creating a visualization discovery chatbot with OpenAI API, FAISS, and Streamlit.
Weekly Viz 2024-08-05
Ten Questions to test which AI assistant writes the best SQL.
Weekly Viz 2024-07-29
How Customer Types Shape Data Science Roles and Methodologies.
Weekly Viz 2024-07-22
Is ChatGPT becoming a BI tool?
Weekly Viz 2024-07-15
Weekly Viz 2024-07-08
Learn how to create an impactful data science portfolio that showcases your skills and attracts potential employers.
My Medium Articles! Before I jump into the summary of the articles I read in the past two months, I am excited to announce that I have become a write on Med...
Weekly Viz 2024-07-01
Six Simple Yet Effective SQL Tips That Helped Me Reduce 50 Hours of Snowflake Query Time Every Day.
Weekly Viz 2024-06-24
How consistent practice in data visualization enhanced my data science skills.
Weekly Viz 2024-06-17
Reflection on my six-year data science career.
Weekly Viz 2024-06-10
Weekly Viz 2024-06-03
Use GPT to summarise content and extract structured data from web pages.
Weekly Viz 2024-05-27
How does ChatGPT Desktop App seamlessly integrate into your data analysis workflow and boost productivity.
Weekly Viz 2024-05-20
Weekly Viz 2024-05-13
Weekly Viz 2024-05-06
Weekly Viz 2024-04-29
This is a summary of the data-science related blogs I read in the past two months. Hope you will enjoy the reading as well. Data Science Statistical Meas...
Weekly Viz 2024-04-22
Weekly Viz 2024-04-15
Weekly Viz 2024-04-08
Weekly Viz 2024-04-01
Weekly Viz 2024-03-25
Weekly Viz 2024-03-18
Use GPT-3.5 API for text analytics to categorize and summarize data science blog posts.
Weekly Viz 2024-03-11
Weekly Viz 2024-03-04
This is the fourth year since I started reading data science blogs (mostly on Medium) every Friday and Sunday night. This habit has brought me immense self-f...
Can ChatGPT assist or even replace a data scientist?.
Weekly Viz 2024-02-26
Weekly Viz 2024-02-19
Weekly Viz 2024-02-12
Weekly Viz 2024-02-05
Weekly Viz 2024-01-29
Weekly Viz 2024-01-22
Weekly Viz 2024-01-15
Weekly Viz 2024-01-08
Weekly Viz 2024-01-01
This is my sixth year of this weekly visualization initiative ;) The goal is to find some fun datasets, visualize them in some fun (or boring) ways, and extr...
This post summarises the Medium blogs I read in the past two months. I have been exploring various LLM applications including GPTs and semantic search with t...
Weekly Viz 2023-12-25
Weekly Viz 2023-12-18
Weekly Viz 2023-12-11
Weekly Viz 2023-12-04
Weekly Viz 2023-11-27
Weekly Viz 2023-11-20
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...
Weekly Viz 2023-11-13
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 ...
Weekly Viz 2023-11-06
This post summarises the Medium blogs I read in the past two months. Hope you will enjoy the reading as well. Causal Inference Causal Analysis with PyMC:...
Weekly Viz 2023-10-30
Weekly Viz 2023-10-23
Weekly Viz 2023-10-16
Weekly Viz 2023-10-09
Weekly Viz 2023-10-02
Weekly Viz 2023-09-25
Weekly Viz 2023-09-18
Weekly Viz 2023-09-11
This post summarises the Medium blogs I read in the past two months. Hope you will enjoy the reading as well. DS, Analytics From Analytics to Actual Appl...
Weekly Viz 2023-09-04
Weekly Viz 2023-08-28
Weekly Viz 2023-08-21
Weekly Viz 2023-08-14
Weekly Viz 2023-08-07
Weekly Viz 2023-07-31
Weekly Viz 2023-07-24
Weekly Viz 2023-07-17
Weekly Viz 2023-07-10
Weekly Viz 2023-07-03
This post summarises the Medium blogs I read in the past two months. Hope you will enjoy the reading as well. DS, Analytics Creative Fatigue: How adverti...
Weekly Viz 2023-06-26
Weekly Viz 2023-06-19
Weekly Viz 2023-06-12
Weekly Viz 2023-06-05
Weekly Viz 2023-05-29
Weekly Viz 2023-05-22
Weekly Viz 2023-05-15
Weekly Viz 2023-05-08
Weekly Viz 2023-05-01
This post summarises the Medium blogs I read in the past two months. Hope you will enjoy the reading as well. Causal Inference How to correctly select yo...
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...
Weekly Viz 2023-04-24
Weekly Viz 2023-04-17
Weekly Viz 2023-04-10
Weekly Viz 2023-04-03
Weekly Viz 2023-03-27
Weekly Viz 2023-03-20
Weekly Viz 2023-03-13
Weekly Viz 2023-03-06
This is the first article of the reading notes series in 2023. It summarises the Medium blogs I read in the past two months. Hope you will enjoy the reading ...
Weekly Viz 2023-02-27
Weekly Viz 2023-02-20
Weekly Viz 2023-02-13
Weekly Viz 2023-02-06
Weekly Viz 2023-01-30
Weekly Viz 2023-01-23
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...
Weekly Viz 2023-01-16
Weekly Viz 2023-01-09
Weekly Viz 2023-01-02
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...
This is the summary of the great blog posts I read in November and December. This is the last one of the year – I am glad I keep up with this habit of readin...
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...
This is my fifth year of this weekly visualization initiative ;) The goal is to find some fun datasets, visualize them in some fun (or boring) ways, and extr...
Weekly Viz 2022-12-26
Weekly Viz 2022-12-19
Weekly Viz 2022-12-12
Weekly Viz 2022-12-05
Weekly Viz 2022-11-28
Weekly Viz 2022-11-21
Weekly Viz 2022-11-14
Weekly Viz 2022-11-07
This is a summary of the great Medium posts I came across in the past two months. Hope you enjoy it :) Causal Inference Causal Forecasting at Lyft (Part ...
Weekly Viz 2022-10-31
Weekly Viz 2022-10-24
Weekly Viz 2022-10-17
Weekly Viz 2022-10-10
Weekly Viz 2022-10-03
Weekly Viz 2022-09-26
Weekly Viz 2022-09-19
Weekly Viz 2022-09-12
Weekly Viz 2022-09-05
This is a summary of the great Medium posts Elise and I read in July and Augest. I have been working on some customer segmentation project at work, so you wi...
Weekly Viz 2022-08-29
Weekly Viz 2022-08-22
Weekly Viz 2022-08-15
Weekly Viz 2022-08-08
Weekly Viz 2022-08-01
Weekly Viz 2022-07-25
Weekly Viz 2022-07-18
Weekly Viz 2022-07-11
Weekly Viz 2022-07-04
This is a summary of the great Medium posts Elise and I read in May and June. Please enjoy :) Causal Inference A Survey of Causal Inference Applications ...
Weekly Viz 2022-06-27
Weekly Viz 2022-06-20
Weekly Viz 2022-06-13
Weekly Viz 2022-06-06
Weekly Viz 2022-05-30
Weekly Viz 2022-05-23
Weekly Viz 2022-05-16
Weekly Viz 2022-05-09
This is a summary of the great Medium posts Elise and I read in March and April. Please enjoy :) Experimentation Assign Experiment Variants at Scale in A...
Weekly Viz 2022-05-02
Weekly Viz 2022-04-25
Weekly Viz 2022-04-18
Weekly Viz 2022-04-11
Weekly Viz 2022-04-04
Weekly Viz 2022-03-28
Weekly Viz 2022-03-21
Weekly Viz 2022-03-14
Weekly Viz 2022-03-07
As in 2021, this series of blogs summarise the best data science-related posts Elise and I came across in the past two months during our Friday and Sunday ni...
Weekly Viz 2022-02-28
Weekly Viz 2022-02-21
Weekly Viz 2022-02-14
Weekly Viz 2022-02-07
Weekly Viz 2022-01-31
Weekly Viz 2022-01-24
Weekly Viz 2022-01-17
Weekly Viz 2022-01-10
Weekly Viz 2022-01-03
Though MakeoverMonday project went into an ‘indefinite hiatus’ from 2021/9/27, I will keep on this weekly Tableau visualization journey. Please notice that ...
Weekly Viz 2021-12-27
This is my sixth and last blog of this series this year, summarising the great posts Elise and I came across during our Friday and Sunday night reading sessi...
Weekly Viz 2021-12-20
Weekly Viz 2021-12-13
Weekly Viz 2021-12-06
Weekly Viz 2021-11-29
Weekly Viz 2021-11-22
Weekly Viz 2021-11-15
Weekly Viz 2021-11-08
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...
This is my fifth blog of this series (and second to last for this year), summarising the great posts Elise and I came across during our Friday and Sunday nig...
Weekly Viz 2021-11-01
Weekly Viz 2021-10-25
Weekly Viz 2021-10-18
Weekly Viz 2021-10-11
Weekly Viz 2021-10-04
Weekly Viz 2021-09-27
Weekly Viz 2021-09-20
Weekly Viz 2021-09-13
Weekly Viz 2021-09-06
This is my fourth blog of this series, summarising the great posts Elise and I came across during our Friday and Sunday night reading sessions. As you can se...
Weekly Viz 2021-08-30
Weekly Viz 2021-08-23
Weekly Viz 2021-08-16
Weekly Viz 2021-08-09
Weekly Viz 2021-08-02
Weekly Viz 2021-07-26
Weekly Viz 2021-07-19
Weekly Viz 2021-07-12
Weekly Viz 2021-07-05
This is my third blog of this series, summarising the great posts Elise and I came across during our Friday and Sunday night reading sessions. In these two m...
Weekly Viz 2021-06-28
Weekly Viz 2021-06-21
Weekly Viz 2021-06-14
Weekly Viz 2021-06-07
Weekly Viz 2021-05-31
Weekly Viz 2021-05-24
Weekly Viz 2021-05-17
Weekly Viz 2021-05-10
Weekly Viz 2021-05-03
As mentioned in the last post, this year I have been reading DS&Analytics related blogs with my friend Elise every Friday and Sunday night. This is my se...
Weekly Viz 2021-04-26
Weekly Viz 2021-04-19
Weekly Viz 2021-04-12
Weekly Viz 2021-04-05
Weekly Viz 2021-03-29
Weekly Viz 2021-03-22
Weekly Viz 2021-03-15
Weekly Viz 2021-03-08
This year, I put reading data science related Medium & blog posts on my resolution list – the plan is to read three posts on Friday night and three on Su...
Weekly Viz 2021-03-01
Weekly Viz 2021-02-22
Weekly Viz 2021-02-15
Weekly Viz 2021-02-08
Weekly Viz 2021-02-01
Weekly Viz 2021-01-25
Weekly Viz 2021-01-18
Weekly Viz 2021-01-11
Weekly Viz 2021-01-04
This is an archive of my past data science and analytics projects. Data Science & Analytics Projects Fraud Detection Machine Learning Algorithms ...
Weekly Viz 2020-12-28
This has been my third year doing Tableau Makeovermonday. Another fruitful year trying out 52 different visualizations on various topics :) MakeoverMonday i...
Weekly Viz 2020-12-21
Weekly Viz 2020-12-14
Weekly Viz 2020-12-07
Weekly Viz 2020-11-30
Weekly Viz 2020-11-23
Weekly Viz 2020-11-16
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....
Weekly Viz 2020-11-09
Weekly Viz 2020-11-02
On 10/6/2020, DHS issued the Strengthening the H-1B Nonimmigrant Visa Classification Program Interim Final Rule, which raised the bar of the H1B wage levels ...
Weekly Viz 2020-10-26
Weekly Viz 2020-10-19
Weekly Viz 2020-10-12
Weekly Viz 2020-10-05
Weekly Viz 2020-09-28
Weekly Viz 2020-09-21
Weekly Viz 2020-09-14
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...
Weekly Viz 2020-09-07
Weekly Viz 2020-08-31
Weekly Viz 2020-08-24
Weekly Viz 2020-08-17
Weekly Viz 2020-08-10
Weekly Viz 2020-08-03
Weekly Viz 2020-07-27
Weekly Viz 2020-07-20
Weekly Viz 2020-07-13
Weekly Viz 2020-07-06
Weekly Viz 2020-06-29
Weekly Viz 2020-06-22
Weekly Viz 2020-06-15
Weekly Viz 2020-06-08
Weekly Viz 2020-06-01
Weekly Viz 2020-05-25
Weekly Viz 2020-05-18
Weekly Viz 2020-05-11
Weekly Viz 2020-05-04
Weekly Viz 2020-04-27
Weekly Viz 2020-04-20
Weekly Viz 2020-04-13
Weekly Viz 2020-04-06
Weekly Viz 2020-03-30
Weekly Viz 2020-03-23
Weekly Viz 2020-03-16
Weekly Viz 2020-03-09
Weekly Viz 2020-03-02
Weekly Viz 2020-02-24
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...
Weekly Viz 2020-02-17
Weekly Viz 2020-02-10
Weekly Viz 2020-02-03
Weekly Viz 2020-01-27
Weekly Viz 2020-01-20
Weekly Viz 2020-01-13
Weekly Viz 2020-01-06
Weekly Viz 2019-12-30
Throughout 2019, I have been putting aside one hour every Monday to work on my Tableau visualizations following the Makeovermonday project. MakeoverMonday i...
Weekly Viz 2019-12-23
Weekly Viz 2019-12-16
Weekly Viz 2019-12-09
Weekly Viz 2019-12-02
Weekly Viz 2019-11-25
Weekly Viz 2019-11-18
Weekly Viz 2019-11-11
Weekly Viz 2019-11-04
Weekly Viz 2019-10-28
Weekly Viz 2019-10-21
Weekly Viz 2019-10-14
Weekly Viz 2019-10-07
Weekly Viz 2019-09-30
Weekly Viz 2019-09-23
Weekly Viz 2019-09-16
Weekly Viz 2019-09-09
Weekly Viz 2019-09-02
Weekly Viz 2019-08-26
Weekly Viz 2019-08-19
Weekly Viz 2019-08-12
Weekly Viz 2019-08-05
Weekly Viz 2019-07-29
Weekly Viz 2019-07-22
Weekly Viz 2019-07-15
Weekly Viz 2019-07-08
Weekly Viz 2019-07-01
Weekly Viz 2019-06-24
Weekly Viz 2019-06-17
Weekly Viz 2019-06-10
Weekly Viz 2019-06-03
Weekly Viz 2019-05-27
Weekly Viz 2019-05-20
Weekly Viz 2019-05-13
Weekly Viz 2019-05-06
Weekly Viz 2019-04-29
Weekly Viz 2019-04-22
Weekly Viz 2019-04-15
Weekly Viz 2019-04-08
Weekly Viz 2019-04-01
Weekly Viz 2019-03-25
Weekly Viz 2019-03-18
Weekly Viz 2019-03-11
Weekly Viz 2019-03-04
Weekly Viz 2019-02-25
Weekly Viz 2019-02-18
Weekly Viz 2019-02-11
Weekly Viz 2019-02-04
Weekly Viz 2019-01-28
Weekly Viz 2019-01-21
Weekly Viz 2019-01-14
Weekly Viz 2019-01-07
Weekly Viz 2018-12-31
Starting from Jan 08, 2018, I decide to put aside one hour on Monday weekly to create some visualization and find some insights from the data. MakeoverMonda...
Weekly Viz 2018-12-27
Weekly Viz 2018-12-24
Weekly Viz 2018-12-17
Weekly Viz 2018-12-10
Weekly Viz 2018-12-03
Weekly Viz 2018-11-26
Weekly Viz 2018-11-19
Weekly Viz 2018-11-12
Weekly Viz 2018-11-05
Weekly Viz 2018-10-29
Weekly Viz 2018-10-22
Weekly Viz 2018-10-15
Weekly Viz 2018-10-08
Weekly Viz 2018-10-01
Weekly Viz 2018-09-24
Weekly Viz 2018-09-17
Weekly Viz 2018-09-10
Weekly Viz 2018-09-03
Weekly Viz 2018-08-27
Weekly Viz 2018-08-20
Weekly Viz 2018-08-13
Weekly Viz 2018-08-06
Weekly Viz 2018-07-30
Weekly Viz 2018-07-23
Weekly Viz 2018-07-16
Weekly Viz 2018-07-09
Weekly Viz 2018-07-02
Weekly Viz 2018-06-25
Weekly Viz 2018-06-18
Weekly Viz 2018-06-11
Weekly Viz 2018-06-04
Weekly Viz 2018-05-28
Weekly Viz 2018-05-21
Weekly Viz 2018-05-14
Weekly Viz 2018-05-07
Weekly Viz 2018-04-30
Weekly Viz 2018-04-23
Weekly Viz 2018-04-16
Weekly Viz 2018-04-09
Weekly Viz 2018-04-02
Weekly Viz 2018-03-26
Weekly Viz 2018-03-19
Weekly Viz 2018-03-12
Weekly Viz 2018-03-05
Weekly Viz 2018-02-26
Weekly Viz 2018-02-19
Weekly Viz 2018-02-12
Weekly Viz 2018-02-05
Weekly Viz 2018-01-29
Weekly Viz 2018-01-22
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...
Weekly Viz 2018-01-15
Weekly Viz 2018-01-08