.. _variables-discrete_design_range-descriptors:

"""""""""""
descriptors
"""""""""""


Labels for the variables


.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* ddv_descriptors 

- *Arguments:* STRINGLIST

- *Default:* ddriv_{i}


**Description**


The optional variable labels specification ``descriptors`` is a list of
strings which identify the variables.  These are used in console and
tabular output.

The default descriptor strings use a variable type-dependent root
string plus a numeric identifier.