panstotts questions

• How to use numeric list as a variable input within gsub pattern?
• Fill in columns with 1 or 0, if that colname matches a variable found in other named columns within the same dataframe
• Apply a match and replace function over series of rows in a dataframe in order
• Have nomatch return value as-is using match function in R
• Send a POST request using httr R package

panstotts answers