Selecting a single column from a tibble still returns a tibble instead of a vector

Question

I have a tibble called df:

> class(df)
[1] "tbl_df"     "tbl"        "data.frame"

Now I run:

> sen <- df[df$my_dummy==0, "col_name"]

This returns another tibble:

> class(sen)
[1] "tbl_df"     "tbl"        "data.frame"

Why?

How can I get a "numeric" out of it?

Answer 1

try pull

sen <- df %>%
  filter(my_dummy == 0) %>%
  pull(col_name)