.. _variables-histogram_bin_uncertain-pairs_per_variable: """""""""""""""""" pairs_per_variable """""""""""""""""" Number of pairs defining each histogram bin variable .. toctree:: :hidden: :maxdepth: 1 **Specification** - *Alias:* num_pairs - *Arguments:* INTEGERLIST - *Default:* equal distribution **Description** By default, the list of ``abscissas`` and ``counts`` or ``ordinates`` will be evenly divided among the ``histogram_bin_uncertain`` variables. ``pairs_per_variable`` is a list of integers that specify the number of pairs to apportion to each variable.