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Merge pull request #125 from jjchern/patch-3 

Fix a typo: Should be `purrr` instead of `purr`
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Hadley Wickham 2016-06-18 10:18:52 -05:00 committed by GitHub
parent 17ef519058 70a204c8ab
commit c3d06a9a37
1 changed files with 1 additions and 1 deletions
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model-basics.Rmd
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@ -155,7 +155,7 @@ summary(h)
### Exercises ### Exercises
1. What variables in `heights` do you expect to be most highly correlated with 1. What variables in `heights` do you expect to be most highly correlated with
income? Use `cor()` plus `purr::map_dbl()` to check your guesses. income? Use `cor()` plus `purrr::map_dbl()` to check your guesses.
1. Correlation only summarises the linear relationship between two continuous 1. Correlation only summarises the linear relationship between two continuous
variables. There are some famous drawbacks to the correlation. What variables. There are some famous drawbacks to the correlation. What