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…
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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 …
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…
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 …
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…
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 …
Sustainable AI Starts with Efficient AI
AI is no longer a side experiment. It is already part of products, workflows, and day-to-day operations. So the question is not whether companies shou…
# Mitigating Market Inefficiency in eSports: A Stochastic Approach to EA Sports FC25 Modeling
### By Bettrails Data Lab *Technical Classification: Data Science / Predictive Modeling / Sports Analytics* — - Abstract This paper outlines the analy…
I built web analytics with no dashboard, only an MCP
A while back I built an analytics tool. It had two ideas: it was cheap, and it sent you an AI summary every Sunday. Turns out cheap made no difference…
Eight window-function tricks beyond LAG and ROW_NUMBER
The first post in this series got more reader response than I expected. The comments were full of practical follow-up questions and a few good correct…
30 CVR Improvement Checks for EC Sites — Where to Start When Sales Don't Move
"Ad sessions keep coming in, but purchases are not growing." "Add-to-cart looks fine, but checkout drops off." Every EC operator hits this wall, and t…
Six SQL patterns I use to catch transaction fraud
Quick disclaimer: I do data work on a program-integrity team. Examples below use generic transaction tables and made-up scenarios. Nothing here comes …
How to Build a Data Analytics Platform: Best Practices
Data has become one of the most powerful drivers of business success. However, managing data remains a significant challenge. Organizations require re…
The Definitive Guide to Web3 Wallet Segmentation and Analytics
Key Takeaways Wallet segmentation groups addresses by type and behavior: hot wallets for real-time engagement signals, cold wallets for high-value hol…
OpenAI API 기능별 사용량 추적: 비용 귀속 가이드
OpenAI 인보이스는 지난달 $4,237를 썼다고 알려줍니다. 하지만 그중 $3,100가 폭주한 요약 엔드포인트에서 발생했고, $700는 월 $50를 내는 고객에게서, $437는 아무도 쓰지 않는 기능에서 발생했다는 사실은 알려주지 않습니다. 기본 대시보드만으로는 가…
LTV (Customer Lifetime Value) Calculation. 5 Common Methods for EC Operators
"My executive team wants LTV in our monthly report. But there are like four different formulas online — how do I pick the right one?" This is one of t…
[FabCon Atlanta 2026 Report] My Take on Fabric IQ Ontology
I attended FabCon Atlanta 2026 . I also created a few short videos that show the atmosphere of the venue, so feel free to check them out first. FabCon…
Data Analyst: Does Your Work Actually Matter?
Introduction I recently saw a question on Reddit that stopped me in my tracks: "Do you feel your work in data analysis is valuable to the organization…
2026 EC Measurement — Why SMB ECs Should Skip MMM and Focus on 2 Things
"Should we adopt MMM (Marketing Mix Modeling) too?" "Do we need incrementality measurement at ¥50M monthly revenue?" Since the start of 2026, EC opera…
The Hidden TCO of Self-Hosting Your EC Revenue Dashboard in 2026
"If we self-host Matomo or Umami, the revenue dashboard is free, right?" That's one of the most common questions I hear from SMB EC operators in Japan…
Rejourney Session Replay Now Open Beta for Swift
After nearly 3 months of battle testing our React Native package, and recording over 1.5 million session replays from users all over the world, we now…
Best Product Analytics Tools for DeFi Teams
Key Takeaways DeFi product analytics requires onchain and offchain data integration because the blockchain records smart contract interactions that tr…