.. _variables-lognormal_uncertain-parameters-option_2:

""""""""
option_2
""""""""


Specify means and error factors for the lognormal distributions



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

   variables-lognormal_uncertain-parameters-option_2-means
   variables-lognormal_uncertain-parameters-option_2-error_factors


**Specification**

- *Alias:* None

- *Arguments:* None


**Child Keywords:**

+-------------------------+--------------------+--------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword     | Dakota Keyword Description                    |
|                         | Group              |                    |                                               |
+=========================+====================+====================+===============================================+
| Required                                     | `means`__          | First parameter of the lognormal distribution |
|                                              |                    | (options 1 & 2)                               |
+----------------------------------------------+--------------------+-----------------------------------------------+
| Required                                     | `error_factors`__  | Second parameter of the lognormal             |
|                                              |                    | distribution (option 2)                       |
+----------------------------------------------+--------------------+-----------------------------------------------+

.. __: variables-lognormal_uncertain-parameters-option_2-means.html
__ variables-lognormal_uncertain-parameters-option_2-error_factors.html



**Description**



Select the second option for parameterization (means and error factors)