Beyond K-Fold: Architecting Robust Time Series Cross-Validation for Production Forecasting
If you have ever pushed a time-series forecasting model to production only to watch its accuracy flatline within forty-eight hours, you have likely…
Posts
From Raw JSON to Production-Ready Features: Mastering Advanced Feature Engineering for Tabular Models
When I first tried to build a churn model for a telecom startup, I was buried under half‑filled JSON responses from a third‑party customer API. The…
Beyond LLM-as-a-Judge: Implementing Custom Ragas Evaluation Metrics for Production RAG Pipelines
When I first switched from a simple keyword‑match RAG to a fully fledged agentic semantic chunking pipeline for the Stripe Engineering Blog feed, t…
How I Built a Synthetic Demographic Pipeline for NEPSE Scenario Modeling
Ever tried to stress‑test a remittance‑driven NEPSE model only to hit a wall because you have no granular age‑by‑country data? I hit that exact sna…
Beyond Fixed-Size Chunks: Implementing Agentic Semantic Chunking for Production RAG Pipelines
Static character-length chunking destroys structural boundaries in technical corpora; implementing a hybrid recursive-semantic splitting pipeline p…