25–35% of our best customers were aging out of retargeting before we ever showed them an ad
A frequency cap failure on a $40K/mo account eventually traced back to a 7-day retargeting window that was quietly excluding the highest-value buyers …
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Fast Automatic ML Hyperparameter tuning Using Optuna (w. MLflow model registry and IRIS DB)
This article presents a straightforward approach to automatically and efficiently tune hyperparameters for machine learning models using Optuna as the…
Luck == Opportunity Meets Preparation
There's a line usually pinned on the Roman philosopher Seneca: luck is what happens when preparation meets opportunity. People put it all over social …
What Small Mobile Game Teams Should Check When Ad Revenue Drops
When ad revenue drops in a mobile game, the first reaction is usually: “Did eCPM drop?” But in practice, eCPM is only one part of the story. For small…
A Merchant Center disapproval wiped 40% of our SKUs the day a 6-week promo launched
Three days into November, a disapproval cascade pulled 40% of active SKUs from Shopping and Performance Max simultaneously — on day one of a promotion…
[FREE] A self-hosted WordPress analytics plugin where your visitor data never leaves your server
I recently released a free, privacy analytics plugin for WordPress. It's cookieless, stores everything in your own database, and loads zero external r…
How WSO2 API Manager Transforms API Analytics & Monitoring
How WSO2 API Manager Transforms API Analytics & Monitoring Published on Dev.to — by Chamath H. Gunawardhana The Problem with Flying Blind Imagine …
Day 17 of #100DaysOfClickHouse: Mastering Data Filtering for Faster ClickHouse Queries
When working with ClickHouse®, writing a query is usually straightforward. Writing an efficient query, however, requires understanding how ClickHouse …
What is the best real-time analytics database in 2026? An engineering buyer's guide
Traditional databases just can't keep up with high concurrency and low latency at the same time. The term "real-time" has become kind of meaningless. …
How to Detect MEV in Your Trades 2026: A Practical Guide
Answer first — To detect MEV against your own trades in 2026, follow a four-step forensic process: (1) pull the transaction receipt and identify the b…
Day 14 of #100DaysOfClickHouse: Understanding Nodes, Shards, and Replicas
When people first start learning ClickHouse®, they usually focus on SQL queries, table engines, and performance optimization. But as data grows from m…
Finding Product-Market Fit: A Data-Driven Framework for SaaS Founders
Product-market fit is not a binary milestone — it is a measurable state where your product solves a problem so well that users return organically and …
Privacy-First Analytics Is Not Blind Analytics
Privacy-First Analytics Is Not Blind Analytics is a practical operating principle, not a slogan. The useful version of analytics, automation, and soft…
I Built My Own Analytics Platform Instead of Paying for PostHog
Introduction Let me clear one thing up right out of the gate: this is not a teardown of PostHog. In fact, PostHog is an incredible piece of software a…
How Excel Is Used in Real-World Data Analysis: My First Week Learning Excel
When I started learning Excel as part of my Data Science & Analytics course, I assumed it was just a tool for creating tables and performing basic…
From Network Cables to Data Pipelines: My 8-Month Journey from IT Support to Data Analytics
May 25, 2026. This is not just another date on my calendar. This marks the beginning of one of the biggest professional transitions of my life. After …
How to Measure AI ROI: A 2026 Framework for Proving Return on AI Spend
What is AI ROI? AI ROI is the return your business earns on the money it spends running AI. It answers the one question a token-count dashboard cannot…
How Excel Is Used in Real-world Data Analysis
When I started my Data Science and Analytics course a week ago, I expected to spend most of my time learning programming languages and building machin…
How Excel is Used in Real-World Data Analysis
Prior to taking this course, I believed that Excel was simply another table. A common place where people left numbers when they were not sure what to …
How Excel is Used in Real-World Data Analysis
I have began my journey as a beginner in the data analysis field by learning excel. I have previously used excel to store data but never really consid…
Excel For Data Analytics
Introduction Excel is a spreadsheet software that allows you to collect, organize, analyze, calculate, and visualize data efficiently. In the first we…
Running Ads But Can't Tell Which Ones Actually Sell? Fix This First 2026
You spend on ads every month. You're getting clicks. But asked "which ads actually drove sales?", you can't answer clearly. That happens at a lot of o…
How Excel is Used in Real-World Data Analysis
Introduction A traditional database. That is what many who have not really interacted with Excel to a great extent would define it as in its most basi…
Why Dremio's Value Is Unique to Apache Iceberg Lakehouses and Agentic Analytics
Most data teams have already made two decisions, even if they haven't written them down yet. The first is that Apache Iceberg will be the table format…
The Metrics That Actually Tell You If Your Enterprise AI Rollout Is Working
The Metrics That Actually Tell You If Your Enterprise AI Rollout Is Working Time saved is not a metric. It's a hypothesis. Here's how to measure what …
The Power BI Developer Isn't Disappearing. AI in Power BI Is Transforming the Role.
AI can now build reports, write DAX, and query your data, and it's not just Copilot anymore. Here's what that actually means for your organisation, an…
Automated Client Reporting
In This Article The Reporting Problem at Scale Pipeline Architecture The Reporting Engine WoW Metrics and Pivot Tables Scheduling and Slack Alerting O…
CONFIGURING SEMANTIC MODEL IN POWER BI
INTRODUCTION Configuring a Power BI semantic model involves refining data structures, creating relationships, and setting up calculations. Semantic mo…
Build Power BI Columns That Adapt to Each User
Originally published at https://shai-kr.github.io/data-ninja-ai-lab/blog/2026-05-28-user-aware-calculated-columns-power-bi.html . Power BI calculated …
Why Analytics Is Product Infrastructure
Analytics is often treated as a reporting feature: a dashboard added after the product already exists. That is usually too late. For software operator…