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 ...

Ditch manual sorting for live formulas that rank top performers, fastest times, and equal scores as data changes.

How to split a column using an IF() function in Excel Your email has been sent We all inherit Microsoft Excel sheets that don’t suit our working routine. If it’s a simple tracking sheet of some sort, ...

If you are working with Excel spreadsheets or workbooks, juggling multiple tables of data, at some time you might need to combine them into one. Rather than spending hours manually copying and pasting ...

Description: 👉 How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the ...

Here are a few quick methods of analyzing records to find out what's been paid and how much customers owe. If you work with transaction records, you probably need a way to track what’s outstanding and ...

While using Microsoft Excel for data analysis, you may sometimes need to search for and retrieve specific values. In such cases, Excel's LOOKUP function can be extremely useful. It allows you to ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...

Traditional methods for creating dynamic drop-down lists in Excel, such as using INDIRECT or named ranges, often come with significant limitations. These approaches can break when tables are renamed, ...