Dev.to
5/9/2026

Escaping the tutorial trap and starting my ML training arc
Short summary
A 1st-year CS student is shifting from tutorial-based ML learning to real-world data science with messy datasets. Recently achieved 78% accuracy on a Kaggle Medical Insurance dataset, treating data science as detective work rather than calculator use. Plans to document his learning journey while working toward a Master's degree in AI/ML at a research lab in Japan.
- •Transitioning from clean tutorial datasets to real-world messy data and missing values
- •Recent 78% accuracy win on Kaggle Medical Insurance dataset
- •Long-term goal: Master's degree in AI/ML at a top research lab in Japan
Generated with AI, which can make mistakes.
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