KarinaDataScientist's Substack
KarinaDataScientistMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 27 | Founded | 10 months ago | Last Issue | 8 days ago |
| Active | |||||
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karinadatascientist.substack.comLatest Issues
SQL Beyond the Basics: Your Complete Roadmap
SQL is the king. Whether you want to be a data analyst, a data scientist or a data engineer - this is the skill required at each of these jobs.
This week I put together a full SQL roadmap — the path I would follow if I were starting from s...
SQL Beyond the Basics: 10 Tricks I learnt too late
Today we are going to discuss 10 SQL tricks and concepts that go beyond the basics. I learnt some of them (like 1=1) recently, so hopefully you will also learn something new today. They will make your queries cleaner, faster, and easier to...
The Python Libraries Nobody Teaches You (and Me)
Every Python tutorial I watched taught numpy, pandas, matplotlib. The same ones, in the same order. And it is enough when you are just starting. But there are libraries that can make your day-to-day work significantly faster.
Here are 3 I...
The Data CV Guide — Whatever stage you are at right now
I have reviewed a lot of CVs over the years - when I was hiring for my team, for a data consultancy or as a paid service. There are mistakes that I see a lot, and it is not about qualifications, they are about how people present what they a...
Let's Build a Mini SQL Project Together - Churn
We have not done one of these in a while. Today we are going back to basics — SQL and a business question. Let’s work through it together.
The question: if Chinook could only put marketing budget behind one genre, which one should it be?...
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Data Science & Analytics I like sharing tips, tricks and stories
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