Later in the DATA step, when you want to process the variables in the array, you can refer to a variable by either its name or its array reference. For example, the names Reference and books{1} are ...

Array programming provides a powerful, compact and expressive syntax for accessing, manipulating and operating on data in vectors, matrices and higher-dimensional arrays. NumPy is the primary array ...

You can use these variable list names to reference variables that have been previously defined in the same DATA step. The _CHARACTER_ variable lists character values only. The _NUMERIC_ variable lists ...

$$\begin{aligned} \begin{aligned} X'= \left\{ \begin{array}{l} x_1 S_3 S_5\ldots l_{n-3} S_{n-1 }+x_3 S_5\ldots S_{n-3 }S_{n-1}+\cdots +x_{n-3 } S_{n-1 }+x_{n-1 ...