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Users Guide
Installing Larch
Choice Models
Data Fundamentals
Linear Functions
Machine Learning
References
API Reference
Data
Dataset
larch.Dataset
larch.Dataset.construct
larch.Dataset.dims
larch.Dataset.sizes
larch.Dataset.data_vars
larch.Dataset.coords
larch.Dataset.attrs
larch.Dataset.encoding
larch.Dataset.indexes
larch.Dataset.chunks
larch.Dataset.chunksizes
larch.Dataset.nbytes
larch.Dataset.set_dtypes
DataTree
larch.DataTree
larch.DataTree.root_node_name
larch.DataTree.subspaces
larch.DataTree.relationships_are_digitized
larch.DataTree.n_cases
larch.DataTree.n_alts
larch.DataTree.CASEID
larch.DataTree.ALTID
larch.DataTree.add_dataset
larch.DataTree.add_relationship
larch.DataTree.digitize_relationships
larch.DataTree.query_cases
larch.DataTree.replace_datasets
larch.DataTree.setup_flow
DataFrames
larch.DataFrames
Models
Model
larch.numba.Model
larch.numba.Model.datatree
larch.numba.Model.dataset
larch.numba.Model.n_cases
larch.numba.Model.choice_ca_var
larch.numba.Model.choice_co_vars
larch.numba.Model.choice_co_code
larch.numba.Model.availability_ca_var
larch.numba.Model.availability_co_vars
larch.numba.Model.utility_ca
larch.numba.Model.utility_co
larch.numba.Model.quantity_ca
larch.numba.Model.pf
larch.numba.Model.most_recent_estimation_result
larch.numba.Model.possible_overspecification
larch.numba.Model.set_values
larch.numba.Model.lock_value
larch.numba.Model.set_cap
larch.numba.Model.remove_unused_parameters
larch.numba.Model.maximize_loglike
larch.numba.Model.calculate_parameter_covariance
larch.numba.Model.loglike_nil
larch.numba.Model.loglike_null
larch.numba.Model.rho_sq_nil
larch.numba.Model.rho_sq_null
larch.numba.Model.parameter_summary
larch.numba.Model.estimation_statistics
larch.numba.Model.to_xlsx
larch.numba.Model.bhhh
larch.numba.Model.check_d_loglike
larch.numba.Model.d_loglike
larch.numba.Model.d_loglike_casewise
larch.numba.Model.loglike
larch.numba.Model.loglike_casewise
larch.numba.Model.logsums
larch.numba.Model.probability
larch.numba.Model.quantity
larch.numba.Model.total_weight
larch.numba.Model.utility
Linear Functions
NestingTree
larch.model.tree.NestingTree
larch.model.tree.NestingTree.new_node
larch.model.tree.NestingTree.add_node
larch.model.tree.NestingTree.remove_node
larch.model.tree.NestingTree.add_edge
larch.model.tree.NestingTree.remove_edge
ModelGroup
larch.model.model_group.ModelGroup
larch.model.model_group.ModelGroup.n_cases
larch.model.model_group.ModelGroup.set_values
larch.model.model_group.ModelGroup.total_weight
larch.model.model_group.ModelGroup.loglike
larch.model.model_group.ModelGroup.loglike2
larch.model.model_group.ModelGroup.to_xlsx
Examples
MTC Mode Choice
MTC Work Mode Choice Data
1: MTC MNL Mode Choice
2: MTC MNL Mode Choice, Motorized
17a: Market Segmentatation
17: MTC Expanded MNL Mode Choice
22: MTC Motorized and Non-Motorized Nested Mode Choice
28: MTC Motorized - Shared Ride - Non-Motorized Nested Mode Choice
Swissmetro
101: Swissmetro MNL Mode Choice
102: Swissmetro Weighted MNL Mode Choice
109: Swissmetro Nested Logit Mode Choice
Exampville
200: Exampville Simulated Data
201: Exampville Mode Choice
202: Exampville Mode Choice Logsums
203: Exampville Destination Choice
Itinerary Choice
300: Itinerary Choice Data
301: Itinerary Choice using MNL
Legacy Examples
MTC Mode Choice Examples
MTC Work Mode Choice Data
1: MTC MNL Mode Choice
2: MTC MNL Mode Choice, Motorized
3: MTC MNL Mode Choice, Zeroed Shared
5: MTC MNL Mode Choice, Motorized Travel Time
6: MTC MNL Mode Choice, Motorized Times
7: MTC MNL Mode Choice, Diminishing OVTT by Distance
8: MTC MNL Mode Choice, TTR = 2.5
9: MTC MNL Mode Choice, TTR = 4.0
10: MTC MNL Mode Choice, Autos per Household
11: MTC MNL Mode Choice, Vehicle by Worker
12: MTC MNL Mode Choice, Autos per Adult
13: MTC MNL Mode Choice, CBD
14: MTC MNL Mode Choice, Work Zone Density
15: MTC MNL Mode Choice, CBD and Work Zone Density
16: MTC MNL Mode Choice, Cost by Income
17A: MTC MNL Mode Choice, Segmented for 1 or fewer cars
17B: MTC MNL Mode Choice, Segmented for 2 or more cars
17C: MTC MNL Mode Choice, Segmented for Males
17D: MTC MNL Mode Choice, Segmented for Females
17: MTC Expanded MNL Mode Choice
18: MTC Motorized Nested Mode Choice
19: MTC Private Auto Nested Mode Choice
20: MTC Shared Ride Nested Mode Choice
21: MTC Non-Motorized Nested Mode Choice
22: MTC Motorized and Non-Motorized Nested Mode Choice
23W: MTC Private Auto - Non-Motorized Nested Mode Choice
23W: MTC Shared Ride - Non-Motorized Nested Mode Choice
25: MTC Private Auto - Motorized Nested Mode Choice
26: MTC Shared Ride - Motorized Nested Mode Choice
27: MTC Shared Ride - Private Auto Nested Mode Choice
28: MTC Motorized - Shared Ride - Non-Motorized Nested Mode Choice
29: MTC Motorized - Shared Ride - Private Auto Nested Mode Choice
Swissmetro Examples
101: Swissmetro MNL Mode Choice
102: Swissmetro Weighted MNL Mode Choice
107: Latent Class Models
109: Swissmetro Nested Logit Mode Choice
111: Swissmetro Cross-Nested Logit Mode Choice
Itinerary Choice Examples
300L: Itinerary Choice Data
301: Itinerary Choice using MNL
302: Itinerary Choice using Simple Nested Logit
Xxx Madhuri Photo --link-- !full! May 2026
