Name: Joining and tidying - 주제와 국가별로 정리한 모델링
Uploaded: 2026-04-16T00:00:00Z
Description: In this chapter, you'll learn to combine multiple related datasets, such as incorporating information about each resolution's topic into your vote analysis. You'll also learn how to turn untidy data into tidy data, and see how tidy data can guide your exploration of topics and countries over time.