Tech Fixx · Video

Data Preprocessing Explained — How to Clean and Prepare Data for AI (2026)

Watch this 2 min 13 sec tutorial from the Tech Fixx channel, published .

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From the video description

Before any AI model can learn, the data has to be prepared. Data preprocessing is one of the most important — and most overlooked — steps in machine learning.

✅ What data preprocessing is and why it matters so much ✅ The key steps: cleaning, normalising, encoding and splitting data ✅ How to handle missing values, outliers and inconsistent data ✅ Why skipping preprocessing ruins even the best AI models

Data scientists spend up to 80% of their time on data preparation. This video shows you exactly why.

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