KarinaDataScientist's Substack
KarinaDataScientistMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 10 | Founded | 6 months ago | Last Issue | 9 days ago |
| Active | |||||
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karinadatascientist.substack.comLatest Issues
Let's Build a Fraud Detection Model Together
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...
Let’s Work on a Data Analytics Project Together — A/B Test
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...
The Data Analyst Interview — The Case Study Round
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...
Build the SQL Practice App with Claude Code
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...
Let's Work on a Data Science Project Together
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...
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| Subscribers | Engagement | 69 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Data Science & Analytics I like sharing tips, tricks and stories
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