Change Log

This page notes all of the major changes introduced since the initial launch of this book.

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• 2025-03-06 - Adding a ‘Checked variables’ section to Lab questions with the names and structure of variables the grader expects. =======

• 2025-02-12 - Added an additional section in Module 4 with examples on grouping and pivoting.

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• 2025-02-06 - Otter rendering issue caused some Lab instructions to get removed from student and website versions. Now fixed.

• 2025-01-01 - New Year Launch