bahamas.software_total_failure_probability_bbn
==============================================

.. py:module:: bahamas.software_total_failure_probability_bbn


Attributes
----------

.. autoapisummary::

   bahamas.software_total_failure_probability_bbn.logger


Classes
-------

.. autoapisummary::

   bahamas.software_total_failure_probability_bbn.BBN


Module Contents
---------------

.. py:data:: logger

.. py:class:: BBN(defect_file, task_file, num_samples=1000, approx=False, data=None, seed=42)

   Bases: :py:obj:`object`


   Bayesian belief network for reliability analysis of software


   .. py:attribute:: num_samples
      :value: 1000



   .. py:attribute:: _approx
      :value: False



   .. py:attribute:: _data
      :value: None



   .. py:attribute:: _uca
      :value: ['UCA-A', 'UCA-B', 'UCA-C', 'UCA-D']



   .. py:attribute:: _odc
      :value: ['Algorithm', 'Assignment', 'Checking', 'Documentation', 'Function', 'Interface',...



   .. py:attribute:: _sdlc
      :value: ['Concept', 'Requirement', 'Design', 'Implementation', 'Testing', 'Install and Maintenance']



   .. py:attribute:: _defect


   .. py:attribute:: _task


   .. py:attribute:: prob_stage


   .. py:attribute:: prob_odc


   .. py:attribute:: prob_dcp


   .. py:attribute:: prob_total
      :value: None



   .. py:attribute:: prob_uca


   .. py:attribute:: _hemd_dist


   .. py:attribute:: prob_stage_odc


   .. py:attribute:: prob_uca_correlation


   .. py:attribute:: _G
      :value: 0.25



   .. py:attribute:: review_trigger_factor


   .. py:method:: initialize_stage()


   .. py:method:: calculate()

      Calculate software failure probability based on BBN




   .. py:method:: get_total_failure_probability()

      Get total failure probability

      :returns: mean, sigma, and samples
      :rtype: tuple



   .. py:method:: get_uca(uca_type)

      Get UCA probability

      :param uca_type: Type of UCA
      :type uca_type: str

      :returns: mean, sigma, and samples
      :rtype: tuple



   .. py:method:: plot(type='all', save=False, show=True)

      Plot calculated data

      :param type: Type of plots to plot (defaults to 'all')
      :type type: str, optional
      :param save: Save plots into .png file if True (defaults to False)
      :type save: bool, optional

      :returns: plotly figure object
      :rtype: list or figure object