Example: a new item can be added to an array using the syntax "$Array += 'NewItem'". • PowerShell also supports multi-dimensional arrays, which are like tables with rows and columns.

Multidimensional arrays are usually processed inside nested DO loops. As an example, the following is one form that processes a two-dimensional array: DOindex-variable-1 =1 TOnumber-of-rows; ...

For example, to merge two sets of data into a two-dimensional array, use the semicolon operator as in the following line:array2d = [set1; set2];Sorting this array will have the same result as ...

Like one-dimensional array variables, a two-dimensional array variable is associated with a .length property, which returns the length of the row array. For example, temperatures1.length returns 2.

An array variable is associated with a .length property that returns the length of the associated one-dimensional array as a positive int; for example, name1.length returns 4.

array-name is the name of an array that was previously defined with an ARRAY statement in the same DATA step. subscript specifies the subscript, which can be a numeric constant, the name of a variable ...

Data with an array structure are common in statistics, and the design or regression matrix for analysis of such data can often be written as a Kronecker product. Factorial designs, contingency tables ...