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Curtis Alexander 2016-03-23 09:41:34 -05:00
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iteration.Rmd
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@ -509,7 +509,7 @@ Never feel bad about using a for loop instead of a function. The map functions a
### Shortcuts ### Shortcuts
There are a few shortcuts that you can use with `.f` in order to save a little typing. Imagine you want to fit a linear model to each group in a dataset. The following toy example splits the up the `mtcars` dataset in to three pieces (one for each value of cylinder) and fits the same linear model to each piece: There are a few shortcuts that you can use with `.f` in order to save a little typing. Imagine you want to fit a linear model to each group in a dataset. The following toy example splits up the `mtcars` dataset into three pieces (one for each value of cylinder) and fits the same linear model to each piece:
```{r} ```{r}
models <- mtcars %>% models <- mtcars %>%