Marc Tulla questions

• Layered axes in ggplot?
• llply operations on multiple dataframes
• List elements to dataframes in R
• Applying models to multiple time-series
• Truncate but NOT Round in R [duplicate]
• dplyr + group_by and avoid alphabetical sorting
• SublimeREPL Unable to Find R
• grepl in R to find matches to any of a list of character strings
• dplyr issues when using group_by(multiple variables)

Marc Tulla answers