Saturday, 23 August 2025

My First CodeChef ML Problem: “Hello World” for Data Science 😏

So today I decided to dip my toes into the world of CodeChef ML problems. Big dreams, high hopes… and what did I get? A nice little warm-up that felt suspiciously like scikit-learn 101 in disguise.

Here’s the “menu”:

  • Sentiment Analysis → vectorize text, train a model, predict. Easy-peasy.

  • Clustering → KMeans + silhouette score. Classic, safe, predictable.

  • Dimensionality Reduction → PCA + classifier comparison. Check, check, check.

Translation: I basically solved the “Hello World” for ML. No messy datasets, no weird metrics, no advanced tricks. Just the bread-and-butter stuff every ML newbie (and probably a lot of pros) has done a million times in tutorials.

Now, don’t get me wrong, it’s a perfect intro if you’re just starting out. But if CodeChef wants to live up to the hype, I’m ready for the chaos:

  • Feature engineering nightmares

  • Noisy, messy datasets

  • Custom metrics and multi-label problems

  • Ensemble stacking and meta-learning

But for now… congrats to me, I survived Entry-Level ML Bootcamp. Next level, please, I’m ready.

TL;DR: CodeChef’s first ML problem = “Hello World” for data science. Cute, but let’s crank up the difficulty already. 😎 

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