specifies a variable
that is expressed as a scalar or as an array reference.
Restriction
You cannot use an expression as an argument.
Details
If the VLABEL function
returns a value to a variable that has not yet been assigned a length,
by default the variable is assigned a length of 200.
If there is no label,
VLABEL returns the variable name.
Comparisons
VLABEL returns the label of the
specified variable or the name of the specified variable, if no label
exists. VLABELX, however, evaluates the argument to determine the
variable name. The function then returns the label that is associated
with that variable name, or the variable name if no label exists.
VLABEL does not accept an expression
as an argument. VLABELX accepts expressions, but the value of the
specified expression cannot denote an array reference.
VLABEL has the same functionality
as CALL LABEL.
Related functions return the value
of other variable attributes, such as the variable name, informat,
and format, among others. For a list, see the Variable Information
functions in SAS Functions and CALL Routines by Category.
Example
The following SAS statements
produce this result.
SAS Statements
Results
array x(3) x1-x3;
label x1='Test1';
y=vlabel(x(1));
put y=;