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[R Vocab Topics](index) &#187; Data wrangling

> *It is often said that 80% of data analysis is spent on the process of cleaning and preparing the data.* (Dasu and Johnson, 2003)

- [tidyr for reshaping the layout of data frames](tidyr)
- [dplyr for manipulating, summarizing, and joining data frames](dplyr)<commit_msg>Update data_wrangling.md<commit_after>---
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[R Vocab Topics](index) &#187; Tidy & transform your data

> *It is often said that 80% of data analysis is spent on the process of cleaning and preparing the data.* (Dasu and Johnson, 2003)

- [tidyr for reshaping the layout of data frames](tidyr)
- [dplyr for manipulating, summarizing, and joining data frames](dplyr)
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