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Common Pandas Mistakes Made by Beginners

Elshad Karimov
3 min readJan 6, 2024

Navigating the world of Pandas, Python’s powerhouse data manipulation library, can be like exploring a dense jungle. As a beginner, you might find yourself stepping into a few traps along the way. But fear not! With a bit of guidance, you can swing through the data vines like a pro. Let’s embark on a fun and enlightening journey through some common Pandas pitfalls and learn how to avoid them.

1. The Over-reliance on Pandas

Trap: It’s easy to treat Pandas as a one-stop-shop for all data tasks, but this can be like trying to use a Swiss Army knife to cook a gourmet meal.

Escape Plan: Delve into the depths of the Pandas documentation. It’s like a treasure map, leading you to hidden gems and secret shortcuts for data manipulation.

2. The Loop of Despair

Trap: Loops in Pandas? That’s like using a rowboat to cross the Pacific — it works, but there’s a faster way!

Escape Plan: Embrace the power of vectorization! It’s like upgrading to a speedboat. Instead of rowing through your data row by row, you can glide over it in one fell swoop. For example, instead of summing numbers in a loop, just do df['numbers'].sum().

3. The Dtype Confusion

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Elshad Karimov
Elshad Karimov

Written by Elshad Karimov

Software Engineer, Udemy Instructor and Book Author, Founder at AppMillers

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