TJ Mahr questions

TJ Mahr answers

• Compute number of files per folder in a complex folder structure?
• Filter try-error objects from a column / list (dplyr but also more general)
• Get column types of an SQL table with dplyr
• dplyr: deselecting columns given by
• Why is using list() critical for .dots = setNames() uses in dplyr?
• How can we pass pandoc_args to yaml header in rmarkdown?
• dplyr::n() returns "Error: This function should not be called directly"
• Keep value if not in case_when statement
• Setting document title in Rmarkdown from parameters
• Summarise - Error: `n()` must only be used inside dplyr verbs [duplicate]