R imports files is when the program reads an external file into memory and uses it in code to perform different manipulations and calculations. There are two different ways of doing this - using the ...

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 ...

Microsoft announced this week that's it's now possible for Office 365 users to import table data from Adobe Portable Document Format (PDF) files into the Microsoft Excel spreadsheet program. The ...

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 — ...

Although many people often use Microsoft Access to store text information, you can add files to a database as well. Access makes this possible by defining a special attachment field that can hold ...

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links it to subordinates, called (awkwardly) Slave, Child, or Detail tables. Before we dive ...

Microsoft Access is a database management system program that combines the relational Access Database Engine with a graphical user interface and software development tools. In Microsoft Access, you ...

The Pivot Table is a tool that Excel uses to create custom reports from your spreadsheet databases. Once you select the portion of your spreadsheet that contains the target data, then define it as a ...

Database programs let users create and edit single files interactively at the keyboard. However, as soon as they want data in one file to automatically update another, programming has to be done. That ...