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Update wrangle.Rmd (#253) 

Changed the order to reflect the ordering of the chapters
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S'busiso Mkhondwane 2016-08-13 16:04:06 +02:00 committed by Hadley Wickham
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@ -25,11 +25,11 @@ This part of the book proceeds as follows:
Data wrangling also encompasses data transformation, which you've already learn a little about. Now we'll focus on new skills for three specific types of data you will frequently encounter in practice: Data wrangling also encompasses data transformation, which you've already learn a little about. Now we'll focus on new skills for three specific types of data you will frequently encounter in practice:
* [Dates and times] will give you the key tools for working with * [Relational data] will give you tools for working with multiple
dates and date-times. interrelated datasets.
* [Strings] will introduce regular expressions, a powerful tool for * [Strings] will introduce regular expressions, a powerful tool for
manipulating strings. manipulating strings.
* [Relational data] will give you tools for working with multiple * [Dates and times] will give you the key tools for working with
interrelated datasets. dates and date-times.