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The goal of this function is **to** compute the mean (#1436) 

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functions.qmd
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@ -359,7 +359,7 @@ With this theory under your belt, we'll then show you a bunch of examples to ill
When you start writing functions that use dplyr verbs you rapidly hit the problem of indirection.
Let's illustrate the problem with a very simple function: `grouped_mean()`.
The goal of this function is compute the mean of `mean_var` grouped by `group_var`:
The goal of this function is to compute the mean of `mean_var` grouped by `group_var`:
```{r}
grouped_mean <- function(df, group_var, mean_var) {