gaelgarcia questions

• In dplyr, is it possible to specify where to add a new column using mutate?
• How to collapse rows of a frequency table to add their counts in a new column?
• Paste multiple files while excluding first column
• How to export an interactive rgl 3D Plot to share or publish?
• How to make the levels of a factor in a data frame consistent across all columns?
• Printing figures side by side in R markdown HTML file?
• package cannot be unloaded in R: cannot install package
• How to set the row names of a data frame passed on with the pipe %>% operator?

gaelgarcia answers