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Indexing in pandas can be so confusing

There are so many ways to do the same thing! What is the difference between .loc, .iloc, .ix, and []?  You can read the official documentation but there's so much of it and it seems so confusing. You can ask a question on Stack Overflow, but you're just as likely to get too many different and confusing answers as no answer at all. And existing answers don't fit your scenario.

You just need to get started with the basics.

What if you could quickly learn the basics of indexing and selecting data in pandas with clear examples and instructions on why and when you should use each one? What if the examples were all consistent, used realistic data, and included extra relevant background information?

Master the basics of pandas indexing with my free ebook. You'll learn what you need to get comfortable with pandas indexing. Covered topics include:

  • what an index is and why it is needed
  • how to select data in both a Series and DataFrame.
  • the difference between .loc, .iloc, .ix, and [] and when (and if) you should use them.
  • slicing, and how pandas slicing compares to regular Python slicing
  • boolean indexing
  • selecting via callable
  • how to use where and mask.
  • how to use query, and how it can help performance
  • time series indexing

Because it's highly focused, you'll learn the basics of indexing and be able to fall back on this knowledge time and again as you use other features in pandas.

Just give me your email and you'll get the free 57 page e-book, along with helpful articles about Python, pandas, and related technologies once or twice a month. Unsubscribe at any time.

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Analytics

Who we share your data with

Your data is not shared with anyone.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Where we send your data

Visitor comments may be checked through an automated spam detection service.

You may choose to prevent this website from aggregating and analyzing the actions you take here. Doing so will protect your privacy, but will also prevent the owner from learning from your actions and creating a better experience for you and other users.