In addition, with Alpha T_FLOATING numbers, you can specify a minimum length of 3 bytes using the LENGTH statement in the DATA step. However, with VAX D_FLOATING numbers, the minimum length you can ...

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...

Microsoft Excel can perform numerous statistical functions, as well as create charts from statistical data. Statistical data includes numeric variables or word variables, also called categorical ...

Note: You can also create variables with the FGET function. See SAS Language Reference: Dictionary for more information. In a DATA step, you can create a new variable and assign it a value by using it ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Many of Pew Research Center’s survey analyses show relationships between two ...

Dr. James McCaffrey of Microsoft Research presents a full-code, step-by-step tutorial on a "very tricky" machine learning technique. Data clustering is the process of grouping data items together so ...

A topic that's often very confusing for beginners when using neural networks is data normalization and encoding. Because neural networks work internally with numeric data, binary data (such as sex, ...