See how try and otherwise protect custom column math from type errors in Power Query, saving time and keeping your refresh ...

Q. My supervisor wants me to include more data visualizations in my projects. Do you have any suggestions? A. Data visualization transforms raw data into graphical representations, making complex ...

Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

Excel’s chart features can turn your spreadsheet data into compelling visual communications—if you know what to do. This guide will walk you through the basics of setting up trends, percentages, ...

Not just a speedy way to import data into R, fread has useful options for importing subsets of data, setting data types for columns, running system commands, and more Like all functions in the ...

Before you start analyzing, you might want to take a look at your data object’s structure and a few row entries. If it’s a 2-dimensional table of data stored in an R data frame object with rows and ...

It’s an oft-repeated lament that getting your data into shape for analysis and visualization typically takes more time than the actual analysis and visualization. Yet while there are lots of players ...