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List vs df

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hadley
2015-12-06 17:07:33 +04:00
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lists.Rmd
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@@ -157,6 +157,7 @@ embed_jpg("images/pepper-3.jpg", 300)
1. Generate the lists corresponding to these nested set diagrams. 1. Generate the lists corresponding to these nested set diagrams.
1. What happens if you subset a data frame as if you're subsetting a list? 1. What happens if you subset a data frame as if you're subsetting a list?
What are the key differences between a list and a data frame?
## A common pattern of for loops ## A common pattern of for loops