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Merge branch 'master' of github.com:hadley/r4ds

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hadley 2016-07-18 17:40:22 -05:00
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@ -333,7 +333,7 @@ You may have noticed that we skipped `table3` in the last section. `table3` is u
`separate()` turns a single character column into multiple columns by splitting the values of the column wherever a separator character appears.
[SEPARATE DIAGRAM] ![](images/blank.png)
![](images/tidy-17.png)
So, for example, we can use `separate()` to tidy `table3`, which combines values of *cases* and *population* in the same column.
@ -371,7 +371,7 @@ You can further customize `separate()` with the `remove`, `convert`, and `extra`
`unite()` does the opposite of `separate()`: it combines multiple columns into a single column.
**TODO: UNITE DESCRIPTION**
![](images/tidy-18.png)
We can use `unite()` to rejoin the *century* and *year* columns that we created in the last example. That data is saved as `tidyr::table6`.