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Banias | AI Engineer on Instagram: "Pandas is not slow. Your code is. Here’s what’s secretly killing your performance. 👇 1️⃣ You’re Using .apply() on a DataFrame 👉 This is the #1 Pandas mistake. .apply() is just a slow for-loop in disguise. Replace it with vectorized operations. Example: Instead of df.apply(lambda x: x[‘A’] + x[‘B’], axis=1), use df[‘A’] + df[‘B’]. 100x faster, same result. 2️⃣ You’re Growing a DataFrame in a Loop 👉 Never use pd.concat() or .append() inside a loop. Every iter

Banias | AI Engineer on Instagram: "Pandas is not slow. Your code is…

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