A. Suliman questions

A. Suliman answers

• Use for-loop or apply function to separate and sum variables
• in shiny, how to plot from sliderinput that contains adding columns based on selectinputs
• In Shiny, How to add iconic checkboxgroup input to create datatable, based on the selection, which contain icons on the column names not text?
• Concatenate string columns and order in alphabetical order
• Date changes while importing excel file in R
• R; For each level in column A, replace values in column B, following condition in column C
• Wrong title in the browser tab R Shiny
• R: Determine if each date interval overlaps with all other date intervals in a dataframe
• New Column from String in dplyr [duplicate]
• dplyr::mutate_at using multiple functions