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Non-Brand Data helps data professionals build practical judgment in ML, GenAI, and analytics through structured essays, field guides, templates, and applied workflows.

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Substack
PricingFreemiumPublishesWeekly
Issues358Founded6 years agoLast Issue3 days ago
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Latest Issues

3 Things I Learned Testing One Market Data API Across 9 Markets

Photo by Nick Chong on Unsplash

Most market data providers don’t cover everything. So we end up with one vendor for US equities, another for Asia, and another for forex or crypto. Each has its own authentication, endpoints, and field names...

3 days ago
3

Stock API: What it is and Why it Matters

Photo by Tötös Ádám on Unsplash

The hard part of using a stock API is not getting the data. It is choosing the provider, and you live with that choice long after the integration is done.

This is why I want to walk through what a stock API...

20 days ago
2

Manager Memo: Does Your Team Still Need SQL when AI writes it?

For managers evaluating AI-assisted analytics and data-team operating models

The short answer

a month ago
2
Paid

Building a Minimal Agent Harness in Python

An agent harness is the code around that agent. It starts the work. It waits for the answer and handles failure but the harness does not decide what the answer should be.

Imagine that your application asks an agent to summarize a document...

a month ago
7

Why Valid SQL Returns Wrong Numbers

A query that runs is not necessarily right. Running means the database understood you, nothing more. The syntax can be clean, and the number can still be wrong.

I have reviewed a lot of SQL, and most wrong numbers come from three places:...

a month ago
4

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  • Cornellius Yudha Wijaya

    Sharing Data Knowledge to improve your values

  • Josep Ferrer

    Outstand using data -- Data Science, Design and Tech Tech Writer @KDnuggets @DataCamp \ud83d\udc49\ud83c\udffbInquiries in [email protected]

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