I'm trying to use objects for the column name and variables in dplyr filter? I've read a few posts, but can't get any of them to work ([How do you rename a column with dplyr using a character object](https://stackoverflow.com/questions/69011279/how-do-you-rename-a-column-with-dplyr-using-a-character-object)). It works if I name the column and variables, but not if I preassign them, as below. I want to be able to dynamically name the column and variables.

```
col <- "Species"
vars <- c("setosa", "versicolor")

r <- iris %>%
  filter(col %in% vars)

r <- iris %>%
  filter(Species %in% c("setosa", "versicolor"))

```