A data table alone has no axes, horizontal or otherwise. It consists of points of data; each point describes at least two pieces of information. Other points convey different numerical data about the ...

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 ...

For some data.table users, “dot-SD” is a bit of a mystery. But data.table creator Matt Dowle told me that it’s actually quite simple: Just think of it as a symbol representing “each group.” Let’s go ...

Create easier data connections in Power Apps with virtual tables Your email has been sent Low code isn’t new. For decades, business users have turned to Microsoft Access databases and Microsoft Excel ...

Create a table consisting of data or use an existing table consisting of data. Now highlight the table and then go to the Insert tab and click the Object button. An Object dialog box will open. Scroll ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...