graphkit-learn/notebooks/run_spkernel.py

import functools
from libs import *
import multiprocessing

from pygraph.kernels.spKernel import spkernel
from pygraph.utils.kernels import deltakernel, gaussiankernel, kernelproduct
#from pygraph.utils.model_selection_precomputed import trial_do

# datasets
dslist = [
    {'name': 'Acyclic', 'dataset': '../datasets/acyclic/dataset_bps.ds',
        'task': 'regression'},  # node symb
    {'name': 'Alkane', 'dataset': '../datasets/Alkane/dataset.ds', 'task': 'regression',
             'dataset_y': '../datasets/Alkane/dataset_boiling_point_names.txt', },  
    # contains single node graph, node symb
    {'name': 'MAO', 'dataset': '../datasets/MAO/dataset.ds', },  # node/edge symb
    {'name': 'PAH', 'dataset': '../datasets/PAH/dataset.ds', },  # unlabeled
    {'name': 'MUTAG', 'dataset': '../datasets/MUTAG/MUTAG.mat',
             'extra_params': {'am_sp_al_nl_el': [0, 0, 3, 1, 2]}},  # node/edge symb
    {'name': 'Letter-med', 'dataset': '../datasets/Letter-med/Letter-med_A.txt'},
    # node nsymb
    {'name': 'ENZYMES', 'dataset': '../datasets/ENZYMES_txt/ENZYMES_A_sparse.txt'},
    # node symb/nsymb

#    {'name': 'Mutagenicity', 'dataset': '../datasets/Mutagenicity/Mutagenicity_A.txt'},
#    # node/edge symb
#    {'name': 'D&D', 'dataset': '../datasets/D&D/DD.mat',
#     'extra_params': {'am_sp_al_nl_el': [0, 1, 2, 1, -1]}},  # node symb
#
#    {'name': 'COIL-DEL', 'dataset': '../datasets/COIL-DEL/COIL-DEL_A.txt'}, # edge symb, node nsymb
#    {'name': 'BZR', 'dataset': '../datasets/BZR_txt/BZR_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'COX2', 'dataset': '../datasets/COX2_txt/COX2_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'Fingerprint', 'dataset': '../datasets/Fingerprint/Fingerprint_A.txt'},
#    {'name': 'DHFR', 'dataset': '../datasets/DHFR_txt/DHFR_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'SYNTHETIC', 'dataset': '../datasets/SYNTHETIC_txt/SYNTHETIC_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'MSRC9', 'dataset': '../datasets/MSRC_9_txt/MSRC_9_A.txt'}, # node symb
#    {'name': 'MSRC21', 'dataset': '../datasets/MSRC_21_txt/MSRC_21_A.txt'}, # node symb
#    {'name': 'FIRSTMM_DB', 'dataset': '../datasets/FIRSTMM_DB/FIRSTMM_DB_A.txt'}, # node symb/nsymb ,edge nsymb
#
#    {'name': 'PROTEINS', 'dataset': '../datasets/PROTEINS_txt/PROTEINS_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'PROTEINS_full', 'dataset': '../datasets/PROTEINS_full_txt/PROTEINS_full_A_sparse.txt'}, # node symb/nsymb
#    {'name': 'AIDS', 'dataset': '../datasets/AIDS/AIDS_A.txt'}, # node symb/nsymb, edge symb
#    {'name': 'NCI1', 'dataset': '../datasets/NCI1/NCI1.mat',
#         'extra_params': {'am_sp_al_nl_el': [1, 1, 2, 0, -1]}}, # node symb
#    {'name': 'NCI109', 'dataset': '../datasets/NCI109/NCI109.mat',
#         'extra_params': {'am_sp_al_nl_el': [1, 1, 2, 0, -1]}}, # node symb
#    {'name': 'NCI-HIV', 'dataset': '../datasets/NCI-HIV/AIDO99SD.sdf',
#         'dataset_y': '../datasets/NCI-HIV/aids_conc_may04.txt',}, # node/edge symb

    #     # not working below
    #     {'name': 'PTC_FM', 'dataset': '../datasets/PTC/Train/FM.ds',},
    #     {'name': 'PTC_FR', 'dataset': '../datasets/PTC/Train/FR.ds',},
    #     {'name': 'PTC_MM', 'dataset': '../datasets/PTC/Train/MM.ds',},
    #     {'name': 'PTC_MR', 'dataset': '../datasets/PTC/Train/MR.ds',},
]
estimator = spkernel
# hyper-parameters
mixkernel = functools.partial(kernelproduct, deltakernel, gaussiankernel)
param_grid_precomputed = {'node_kernels': [
    {'symb': deltakernel, 'nsymb': gaussiankernel, 'mix': mixkernel}]}
param_grid = [{'C': np.logspace(-10, 10, num=41, base=10)},
              {'alpha': np.logspace(-10, 10, num=41, base=10)}]

# for each dataset, do model selection.
for ds in dslist:
    print()
    print(ds['name'])
    model_selection_for_precomputed_kernel(
        ds['dataset'],
        estimator,
        param_grid_precomputed,
        (param_grid[1] if ('task' in ds and ds['task']
                           == 'regression') else param_grid[0]),
        (ds['task'] if 'task' in ds else 'classification'),
        NUM_TRIALS=30,
        datafile_y=(ds['dataset_y'] if 'dataset_y' in ds else None),
        extra_params=(ds['extra_params'] if 'extra_params' in ds else None),
        ds_name=ds['name'],
        n_jobs=multiprocessing.cpu_count(),
        read_gm_from_file=False,
        verbose=True)
    print()