Paul questions

Paul answers

• All Levels of a Factor in a Model Matrix in R
• How to write trycatch in R
• Github push error: unpack failed: index-pack abnormal exit
• How do I set the number of items in the mouse buffer menu in Emacs?
• Git cli: get user info from username
• emacs: clear(erase) the python result console in the emacs
• how to fix 'Error: variable lengths differ (found for 'input$s')' in R Shiny