minor aesthetic improvement -- keep coln ordering the same

Author: trevorcampbell

source/clustering.Rmd

@@ -179,9 +179,9 @@ Later in this chapter, we will return to the original `penguins` data to see how
 in the clustering pipeline.
 ```{r 10-toy-example-data, echo = FALSE, message = FALSE, warning = FALSE}
 penguins_standardized <- penguins |>
-  mutate(flipper_length_standardized = (flipper_length_mm - mean(flipper_length_mm))/sd(flipper_length_mm)) |>
   mutate(bill_length_standardized = (bill_length_mm - mean(bill_length_mm))/sd(bill_length_mm)) |>
-  select(flipper_length_standardized, bill_length_standardized)
+  mutate(flipper_length_standardized = (flipper_length_mm - mean(flipper_length_mm))/sd(flipper_length_mm)) |>
+  select(bill_length_standardized, flipper_length_standardized)
 ```
 
 ```{r message = FALSE, warning = FALSE}