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 tab ...

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. R has a number of quick, elegant ways to join data ...

Traditionally, data in tables has been stored in row format. This is good for operations in which the whole row and many columns are accessed—as long as there are few rows. It’s not ideal for many ...