akrun questions

akrun answers

• Row operations on selected columns based on substring in data.table
• Mathematical operation on captured number that comes after a certain character in R
• Replacing elements of a list with those from another list based on name
• Merge rows in same data frame based on common values
• Subsetting string vector by word count in one line
• How to average every 5 rows in a data set-- R
• Remove a particular character from the end of each string
• Delete list conditional on the number of elements in R
• R remove month from a given incomplete date
• R converting hour min in minutes