
My personal Substack
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 10 | Founded | 6 months ago | Last Issue | 9 days ago |
| Active | |||||

We have done EDA, A/B testing, customer segmentation. Today we are going further.
Today’s project: fraud detection using machine learning. Can we predict which e-commerce transactions are fraudulent?
Thanks for reading KarinaDataScientist...
April 24, 2026 | Read online
Last time we did exploratory data analysis. Today something different: A/B test analysis. This is one of the most common analyses you will do as a data analyst, and one of the most requested in interviews.
Tha...
Last year I was interviewing for an Analytics Manager role in telecom. I passed the HR screen, behavioural test, the hiring manager call, meeting with my future manager and colleagues. Then they sent me an email.
“We’d like you to complete...
A few weeks ago I wrote a newsletter about Claude Code and asked you if we should build something together.
82% of you said ‘Yes’, so today we are building a SQL practice app.
Thanks for reading KarinaDataScientist's Substack! Subscribe...
A few weeks ago I shared a data analytics project walkthrough and a lot of you said you wanted more. So today we are doing it again — but this time we are doing machine learning.
Don’t worry if that sounds scary. By the end of this email y...
Subscribers, engagement, traffic and sponsorship for KarinaDataScientist's Substack.
| Subscribers | Engagement | 69 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
The writers behind this newsletter.
Data Science & Analytics I like sharing tips, tricks and stories
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