Non-Brand Data | Cornellius Yudha Wijaya | Substack

🚀 Join Non-Brand Data for free AI + Data Science tips

RAG-To-Know🔍

RAG Evaluation Monitoring and Logging with Opik

NBD Lite #53 How you splitting your data can affect the RAG performance

May 14, 2025 • Cornellius Yudha Wijaya

9 Chunking Strategies to Improve RAG Performance

NBD Lite #52 How you splitting your data can affect the RAG performance

Mar 10, 2025 • Cornellius Yudha Wijaya

Explainable RAG for More Trustworthy System

NBD Lite #51 Evaluate both the retrieval and generation in systematic ways

Feb 14, 2025 • Cornellius Yudha Wijaya

Enhance RAG Accuracy with Corrective-RAG (CRAG)

NBD Lite #50 Implement self-reflection for the retrieved documents

Feb 6, 2025 • Cornellius Yudha Wijaya

career

The Portfolio Rubric Data Science Hiring Managers Use

A practical hiring-manager style framework that you can use

Jan 20 • Cornellius Yudha Wijaya

14 Portfolio Projects That Demonstrate Real Business Value

Learn from these projects to improve your data career

Oct 28, 2025 • Cornellius Yudha Wijaya

10 Lessons Learned from Building Predictive Models

Subtle yet applicable lessons you should applied to be a better data scientist

Oct 13, 2025 • Cornellius Yudha Wijaya

Why Most Data Analysis Is Just Fancy Guesswork

Some truth you need to know about working with data

Sep 18, 2025 • Cornellius Yudha Wijaya

python

Batch Screening Fundamentals with Financial Modeling Prep and Streamlit

Build a Lightweight Stock Screener For Your Fundamental Analysis

Jan 7 • Cornellius Yudha Wijaya

Building an Open-Source Microservice for Financial Data Retrieval with Financial Modelling Prep

Company-Fundamental Tracking Microservice that is Suitable For Your Requirements.

Dec 6, 2025 • Cornellius Yudha Wijaya

Python 3.14: 12 Features You Can Use Today

The addition features you should not miss

Oct 22, 2025 • Cornellius Yudha Wijaya

From Draft to Deployed: My Full Workflow for Building & Shipping a Predictive Modeling Product

See how a full predictive modeling product gets built and shipped.

Oct 2, 2025 • Cornellius Yudha Wijaya

🚀 Join Non-Brand Data for free AI + Data Science tips

Recent posts

Creating a Daily Bulk Ingestion Pipeline for Historical Price Data and Fundamentals

Automate your financial information in your database

Feb 19 • Cornellius Yudha Wijaya

How to Build an Earnings Briefing Engine Using the FMP API

A repeatable pipeline that turns earnings prep into one-page briefs

Feb 13 • Cornellius Yudha Wijaya

NBD Focus Map (Free PDF)

A simple 3-track plan to stop learning randomly and start shipping real work

Feb 1 • Cornellius Yudha Wijaya

The Portfolio Rubric Data Science Hiring Managers Use

A practical hiring-manager style framework that you can use

Jan 20 • Cornellius Yudha Wijaya

Best Financial Data APIs in 2026

A Practical Comparison to Access the Financial Information You Need

Jan 12 • Cornellius Yudha Wijaya

Batch Screening Fundamentals with Financial Modeling Prep and Streamlit

Build a Lightweight Stock Screener For Your Fundamental Analysis

Jan 7 • Cornellius Yudha Wijaya

Recommendations

Cube Digital

Dean of Big Data Newsletter

Dean of Big Data 🎓 #DOBD

The Founders Corner®

Ruben Dominguez

Future Proof Data Science

Andres Vourakis

Tim Denning

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts