Metadata-Version: 2.1
Name: networkunit
Version: 0.2.2
Summary: A SciUnit library for validation testing of spiking networks.
Author-email: NetworkUnit authors and contributors <robin.gutzen@outlook.com>
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Description-Content-Type: text/x-rst
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Project-URL: Bug Tracker, https://github.com/INM-6/networkunit/issues
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===========
NetworkUnit
===========

A SciUnit_ library for validation testing of spiking networks.

.. _SciUnit: https://github.com/scidash/sciunit

.. image:: https://readthedocs.org/projects/networkunit/badge/?version=latest
    :target: https://networkunit.readthedocs.io/en/latest/?badge=latest

.. role:: py(code)
   :language: python

Installation
------------

.. code:: bash

    pip install networkunit

Concept
-------
The NetworkUnit module builds upon the formalized validation scheme of the SciUnit package,
which enables the validation of *models* against experimental data (or other models) via *tests*.
A test is matched to the model by *capabilities* and quantitatively evaluated by a *score*.
The following figure illustrates a typical test design within NetworkUnit.
The blue boxes indicate the components of the implementation of the validation test, i.e.,
classes, class instances, data sets, and parameters.
The relation between the boxes are indicated by annotated arrows.The basic functionality is
shown by green arrows.  The difference in the test design for comparing against experimental
data (validation) and  another  simulation  (substantiation)  is  indicated  by  yellow  and
red  arrows,  respectively.  The  relevant  functionality  of  some  components  for  the
computation  of  test  score  is  indicated  by  pseudo-code.  The  capability
class :py:`ProducesProperty` contains  the  function :py:`calc_property()`. The test :py:`XYTest` has a function
:py:`generate_prediction()` which makes use of this capability, inherited by the model class,
to generate a model prediction. The initialized test instance :py:`XYTest_paramZ` makes use of its
:py:`judge()` function to evaluate this model prediction and compute the score :py:`TestScore`.
The :py:`XYTest` can inherit from multiple abstract test classes (:py:`BaseTest`),
which is for example used with the :py:`M2MTest` to add the functionality of evaluating multiple model classes.
To make the test executable it has to be linked to a ScoreType and all free parameters need to be set
(by a :py:`Params` dict) to ensure a reproducible result.

.. image:: https://raw.githubusercontent.com/INM-6/NetworkUnit/master/figures/NetworkUnit_Flowchart_X2M_M2M.png
   :width: 500
   :alt: NetworkUnit Flowchart

Showcase examples on how to use NetworkUnit can be found `in this repository`_ and interactive reveal.js slides are
accessible via the launch-binder button at the top.

.. _`in this repository`: https://web.gin.g-node.org/INM-6/network_validation

Overview of tests
-----------------
===================================     =======================     ======================================================
Class name                              Parent class                Prediction measure
===================================     =======================     ======================================================
two_sample_test                         \-                          \-
firing_rate_test                        two_sample_test             firing rates
isi_variation_test                      two_sample_test             inter-spike-intervals, their CV, CV2, LV, or LVR
covariance_test                         two_sample_test             covariances
correlation_test                        two_sample_test             \-
correlation_dist_test                   correlation_test            correlation coefficients
correlation_matrix_test                 correlation_test            correlation coefficient matrix
avg_std_correlation_test                correlation_test            avg or std of correlation coefficients
generalized_correlation_matrix_test     correlation_matrix_test     matrix of derived cross-correlation measures
eigenvalue_test                         correlation_test            eigenvalues of the correlation coefficient matrix
power_spectrum_test                     two_sample_test             power spectral density values
freqband_power_test                     power_spectrum_test         power spectral density values in frequency band
timescale_test                          two_sample_test             spike train timescale
graph_centrality_helperclass            sciunit.Test                graph centrality measures of given adjacency matrix
joint_test                              two_sample_test             joining other test classes for multivariate evaluation
===================================     =======================     ======================================================

Inheritance order in case of multiple inheritance for derived test classes:

.. code:: Python

   class new_test(sciunit.TestM2M, graph_centrality_helperclass, <base_test_class>)


Overview of scores
------------------

====================    ===============================     ===========================
Class name              Test name                           Comparison measure
====================    ===============================     ===========================
students_t              Student't test                      sample mean
ks_distance             Kolmogorov-Smirnov test             sample distribution
kl_divergence           Kullback-Leibler divergence         sample entropy
mwu_statistic           Mann-Whitney U test                 rank sum
levene_score            Levene's test                       sample variance
effect_size             Effect size                         standardized mean
best_effect_size        Bayesian estimation effect size     standardized mean
wasserstein_distance    Wasserstein Distance                multivariate score distance
eigenangle              Eigenangle Test                     eigenangle similarity
====================    ===============================     ===========================

Overview of model classes
-------------------------

===================     ===================     =====================  ==================================
Model name              Capability              Parent class           Purpose
===================     ===================     =====================  ==================================
loaded_spiketrains      ProducesSpikeTrains     sciunit.RunnableModel  loading simulated spiking data
stochastic_activity     ProducesSpikeTrains     sciunit.RunnableModel  generating stochastic spiking data
nest_simulation         ProducesSpikeTrains     sciunit.RunnableModel  template for NEST models
===================     ===================     =====================  ==================================

Other validation test repositories
----------------------------------

- NeuronUnit_
- HippoUnit_
- BasalUnit_
- MorphoUnit_
- CerebellumUnit_

.. _NeuronUnit: https://github.com/BlueBrain/neuronunit
.. _HippoUnit: https://github.com/apdavison/hippounit
.. _BasalUnit: https://github.com/appukuttan-shailesh/basalunit
.. _MorphoUnit: https://github.com/appukuttan-shailesh/morphounit
.. _CerebellumUnit: https://github.com/lungsi/cerebellum-unit


Acknowledgments
---------------
This open source software code was developed in part or in whole in the Human Brain Project, funded from the European Union’s Horizon 2020 Framework Programme for Research and Innovation under Specific Grant Agreements No. 720270, No. 785907 and No. 945539 (Human Brain Project SGA1, SGA2 and SGA3).

