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 ...

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.” ...

In this article, I’ll show you how to create a PivotTable using data from two tables by using the Data Model feature to create a relationship between the two tables before building the PivotTable.

Using What-If Analysis, you can visualize the effects of different variables, making it easier to assess risks and opportunities. In Excel, three primary tools are available for performing What-If ...

The Google Tables welcome page. How to use Google Tables to visualize and manage data Your email has been sent Google Tables is a new data management and visualization tool. Jack Wallen helps you ...

Use formulas to link the table columns to the corresponding array elements. This approach maintains data integrity and synchronization, making it a reliable solution for integrating dynamic arrays ...

Perhaps the most important step in using Excel pivot tables is to carefully organize your data. The easiest way to do this is to use Excel tables, which let you add rows that will be included with ...

Pivot tables let you parse raw spreadsheet data to display specific information in a concise, easy-to-digest format. Here’s how to use them in Google Sheets. One of the best ways to master ...

The alternative way requires a few more clicks but lets you build a table using your own criteria, in case the manner you’d like to sort the data isn’t among the Recommended options.