[R] tidyverse: read_csv() misses column

[Rich Shepard]

On Tue, 2 Nov 2021, Ivan Krylov wrote:

> That's because mutate() doesn't, well, mutate its argument. It _returns_
> its changes, but it doesn't save them in the original variable. It's your
> responsibility to assign the result somewhere:

Ivan,

I realized this after thinking more about the issue.

By putting all tibble columns in the select stanza the sampdate column was
added to the tibble.

Thanks very much,

Rich