.. currentmodule:: larch

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23W: MTC Shared Ride - Non-Motorized Nested Mode Choice
===========================================================

.. testsetup:: *

	import larch
	import larch.examples
	import pandas
	pandas.set_option('display.max_columns',999)
	pandas.set_option('expand_frame_repr',False)
	pandas.set_option('precision',4)
	larch._doctest_mode_ = True
	
.. testcode::
	
	m = larch.example(17)

Model 24's nesting structure groups shared ride and non-motorized alternatives. (`pp. 179 <http://www.caee.utexas.edu/prof/Bhat/COURSES/LM_Draft_060131Final-060630.pdf>`_)

.. testcode::
	
	shared = m.graph.new_node(parameter='mu_shared', children=[2,3], name='Shared')
	nonmotorized = m.graph.new_node(parameter='mu_nonmoto', children=[5,6], name='Nonmotorized')

.. testcode::
	
	m.ordering = (
		("CostbyInc","costbyincome",),
		("TravelTime",".*time.*",".*dist.*", ),
		("Household","hhinc.*","vehbywrk.*",),
		("Zonal","wkcbd.*","wkempden.*",),
		("ASCs","ASC.*",),
	)
	
.. doctest::
	:options: +ELLIPSIS, +NORMALIZE_WHITESPACE, +REPORT_NDIFF

	>>> m.load_data()
	>>> m.maximize_loglike('slsqp')
	┣ ...Optimization terminated successfully...
	>>> m.loglike()
	-3441.76...

.. doctest::
	:options: +ELLIPSIS, +NORMALIZE_WHITESPACE, +REPORT_NDIFF +SKIP

	>>> print(m.pfo()[['value']])
	                                 value
	Category   Parameter
	CostbyInc  costbyincome        -0.0450
	TravelTime motorized_time      -0.0203
	           nonmotorized_time   -0.0452
	           motorized_ovtbydist -0.1361
	Household  hhinc#4             -0.0054
	           hhinc#5             -0.0095
	           hhinc#6             -0.0058
	           vehbywrk_BIKE       -0.6938
	           vehbywrk_SR         -0.3146
	           vehbywrk_TRANSIT    -0.9388
	           vehbywrk_WALK       -0.7162
	Zonal      wkcbd_BIKE           0.4252
	           wkcbd_SR2            0.3973
	           wkcbd_SR3            0.6389
	           wkcbd_TRANSIT        1.3162
	           wkcbd_WALK           0.1162
	           wkempden_BIKE        0.0023
	           wkempden_SR2         0.0019
	           wkempden_SR3         0.0019
	           wkempden_TRANSIT     0.0032
	           wkempden_WALK        0.0029
	ASCs       ASC_BIKE            -1.4331
	           ASC_SR2             -1.6849
	           ASC_SR3             -2.1988
	           ASC_TRANSIT         -0.6760
	           ASC_WALK             0.0840
	Other      mu_nonmoto           0.7622
	           mu_shared            0.3245