Though I try to not send data to individuals within an Excel file, sometimes my colleagues use Excel extensively in their own work, are adept at using Excel, and benefit from some of the formatting that is available for highlighting specific cells, columns, and rows within worksheets. For these reasons, I have put together a small function to encapsulate many of the nice formatting features provided by the XLConnect xlconnect@mirai-solutions.com package, which is available on CRAN.

The function add_formatted_worksheet is used on one worksheet at a time, but can add any number of formats to different cells within that worksheet