.. _variables-lognormal_uncertain-parameters-option_1-means:

"""""
means
"""""


First parameter of the lognormal distribution (options 1 & 2)



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



**Specification**

- *Alias:* lnuv_means 

- *Arguments:* REALLIST


**Description**


For the lognormal variables, one may specify either the mean :math:`\mu`  and standard deviation :math:`\sigma`  of the actual lognormal distribution, the mean :math:`\mu` and error factor :math:`\epsilon`  of the actual lognormal distribution.

This corresponds to the mean of the lognormal random variable