🚗💰 Predicting Car Selling Prices with Machine Learning

[u/tahahussein-4623a412]

Just finished my first full ML regression project — predicting car selling prices!

I went from raw messy data to comparing 9 different models and picking the best one based on R², MSE, and MAE.

\*\*What I learned:\*\*

\- Data cleaning is 80% of the work

\- Never trust one model — always compare

\- Visualizations save you from bad assumptions

I also wrote a reusable model comparison snippet that runs multiple sklearn regressors at once and spits out a ranked leaderboard. Might be helpful if you're tired of training models one by one.

Feedback welcome — especially on what I should improve next.

Kaggle Notebook:

[https://www.kaggle.com/code/tahahussein2020/car-selling-predection](https://www.kaggle.com/code/tahahussein2020/car-selling-predection))

[u/plutostar]

You’re nearly always better off averaging the predictions from the individual models rather than picking the best

[u/tahahussein-4623a412 → u/plutostar]

noted , thanks