[R] R Shiny Help - Trouble passing user input columns to emmeans after ANOVA analysis

[Ivan Krylov]

В Wed, 5 Jun 2024 19:07:19 -0500
I B <ibarnhart055 using gmail.com> пишет:

> However, I am getting the following error: *"Argument is of length
> zero."*

>     if (selected_graph() == cols$column2 | selected_model() == "Main
> effects model") {

The error must be coming from here.

At least one of selected_graph(), cols$column2, selected_model() is a
zero-length object (maybe NULL) at this point, which makes the result
of the whole expression zero-length too. if (...) only accepts logical
scalars, hence the error.

-- 
Best regards,
Ivan