🧠 Daily Study Log [2025-08-12]
A lighter study day due to personal schedule, but still managed meaningful progress in idea generation, competition modeling, and SQL exam preparation.
Notably, achieved strong results in the competition after resolving a major bug.

💡 Idea Generation — Gift Genie

Documented the concept for a personalized gift recommendation tool that considers the recipient’s preferences, occasion, and budget to suggest thoughtful and unique gift ideas.
Focuses on creating a fun, interactive, and context-aware gifting experience.

🔗 View idea

🏆 Competition — Electricity Forecasting

Continued with building-type–specific XGBoost modeling experiments:

• Exp 32: Segmented by building type, trained individual XGB models with 7-Fold CV + early stopping, averaged fold predictions.
  • Local SMAPE: 88.7987
  • Public LB SMAPE: 87.4435
• Exp 33: Fixed implementation error in Exp 32.
  • Local SMAPE: 3.3156
  • Public LB SMAPE: 7.3538
• Exp 34: Adjusted parameters to reduce overfitting.
  • Local SMAPE: 4.6184
  • Public LB SMAPE: pending submission opportunity

📘 SQL Study

Practiced with mock exams from past test papers in preparation for the upcoming SQL certification exam on August 23.

✅ TL;DR

📍 Gift Genie: Personalized gift suggestion app concept
📍 Competition: Fixed bug, achieved strong SMAPE improvement in Exp 33
📍 SQL: Mock exam practice for upcoming certification