fixed spelling error "grouning" to "grounding"

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kdpsingh 2016-03-17 12:29:44 -04:00
parent 30964d5e78
commit 9b351acdb2
1 changed files with 1 additions and 1 deletions

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@ -20,7 +20,7 @@ In the following chapters, you'll learn important programming skills:
and functional programming.
1. As you start to write more powerful functions, you'll need a solid
grouning in R's data structures. You must master the four common atomic
grounding in R's data structures. You must master the four common atomic
vectors, the three important S3 classes built on top of them, and
understand the mysteries of the list and data frame.