See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package.

Microsoft Excel 2010 can convert a worksheet to a data table to help you quickly analyze your related data in formatted rows and columns. When you need to expand the table layout, apply the Home ...

To merge data in Excel, including two or more columns, use the CONCAT or CONCATENATE formula. If you just need to merge two empty columns together, use Excel's Merge option.