The Data Lab
Favour OkoliYour weekly field guide to everything data.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 34 | Founded | 8 months ago | Last Issue | 5 days ago |
| Active | |||||
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favourokoli1.substack.comLatest Issues
What Happens When AI Learns From Bad Data?
1. The Inbreeding Problem: AI Copying Itself Into Nonsense
Imagine photocopying a photocopy, over and over each copy loses a little detail until it’s just blur. That’s “Model Collapse” (aka “Habsburg AI”): when AI trains on content made b...
Every Tap Tells a Story: How Your Phone Turns Your Actions Into Data 📱
How many times have you touched your phone today?
You probably can’t count.
You unlock it, check WhatsApp, search Google, scroll through Instagram, watch a video, open a map, take a picture, adjust the volume, connect to Wi-Fi, and maybe...
What Happens Before an AI Model Is Built
When people talk about AI models, the conversation usually starts at training. The moment massive computing clusters start crunching data. But by the time that happens, months (sometimes years) of work have already gone into deciding whethe...
5 Data Analysis Mistakes Beginners Make (and How to Avoid Them)
Every data analyst starts somewhere. Whether you’re learning Excel, SQL, Power BI, Python, or Tableau, making mistakes is part of the journey. The good news is that many of the most common mistakes are avoidable once you know what to look f...
Sentiment Analysis
Every day, billions of opinions get typed into reviews, tweets, support tickets, and surveys. Sentiment analysis - the task of automatically determining whether text expresses a positive, negative, or neutral attitude has quietly become one...
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I help beginners master the art of data. Making complex insights simple for you. \ud83d\udc9c Proudly a WIN ambassador \ud83d\udc9c
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