This is a resubmission. In this version I have:
0 errors | 0 warnings | 1 note
In response the comments:
You write information messages to the console that cannot be easily suppressed. Instead of print()/cat() rather use message()/warning() or if(verbose)cat(..) if you really have to write text to the console. (except for print() and summary() functions) \dontrun{} should be only used if the example really cannot be executed (e.g. because of missing additional software, missing API keys, ...) by the user. That's why wrapping examples in \dontrun{} adds the comment ("# Not run:") as a warning for the user. Please unwrap the examples if they are executable in < 5 sec, or replace \dontrun{} with \donttest{}.
We replaced cat() function with message() and replaced dontrun{} with donttest{}.
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