.. _variables-lognormal_uncertain-parameters-option_3:

""""""""
option_3
""""""""


Specify lambdas and zetas for the lognormal distributions



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

   variables-lognormal_uncertain-parameters-option_3-lambdas
   variables-lognormal_uncertain-parameters-option_3-zetas


**Specification**

- *Alias:* None

- *Arguments:* None


**Child Keywords:**

+-------------------------+--------------------+--------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword     | Dakota Keyword Description                    |
|                         | Group              |                    |                                               |
+=========================+====================+====================+===============================================+
| Required                                     | `lambdas`__        | First parameter of the lognormal distribution |
|                                              |                    | (option 3)                                    |
+----------------------------------------------+--------------------+-----------------------------------------------+
| Required                                     | `zetas`__          | Second parameter of the lognormal             |
|                                              |                    | distribution (option 3)                       |
+----------------------------------------------+--------------------+-----------------------------------------------+

.. __: variables-lognormal_uncertain-parameters-option_3-lambdas.html
__ variables-lognormal_uncertain-parameters-option_3-zetas.html



**Description**



Select the third option for parameterization (lambdas and zetas)