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 ...

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 — ...

Excel 365 offers a powerful feature known as calculated columns, which significantly improves your data analysis capabilities. This tool allows you to create dynamic calculations that automatically ...

Skip tables when you need spilled results, presentation-ready layouts, one-off modeling logic, or stable protected data-entry templates.

When object-oriented programming languages began to be used in enterprise applications, designers had problems fitting the object-oriented model with the relational model. In the object-oriented model ...

Protect your reports from source data changes by defining exactly which columns Power Query should keep, not remove.

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

I recently published a tutorial describing the different available methods to store data locally in an Android app. However, due to article length constraints, I could not adequately cover creating ...