Created
April 16, 2018 21:22
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#include <iostream> | |
#include <shogun/base/init.h> | |
#include <shogun/lib/config.h> | |
#include <shogun/lib/SGMatrix.h> | |
#include <shogun/base/some.h> | |
#include <shogun/io/streaming/StreamingFileFromDenseFeatures.h> | |
#include <shogun/features/DenseFeatures.h> | |
#include <shogun/features/streaming/generators/MeanShiftDataGenerator.h> | |
#include <shogun/kernel/GaussianKernel.h> | |
#include <shogun/statistical_testing/QuadraticTimeMMD.h> | |
#include <shogun/statistical_testing/LinearTimeMMD.h> | |
#include <shogun/io/CSVFile.h> | |
#include <shogun/io/SGIO.h> | |
#include <algorithm> | |
using namespace shogun; | |
using namespace std; | |
float64_t test1() | |
{ | |
auto f_features_p = some<CCSVFile>("../../data/toy/two_sample_test_gaussian.dat"); | |
auto f_features_q = some<CCSVFile>("../../data/toy/two_sample_test_laplace.dat"); | |
auto features_p = some<CDenseFeatures<float64_t>>(f_features_p); | |
auto features_q = some<CDenseFeatures<float64_t>>(f_features_q); | |
auto mmd = some<CLinearTimeMMD>(features_p, features_q); | |
mmd->set_num_samples_p(250); | |
mmd->set_num_samples_q(250); | |
mmd->set_num_blocks_per_burst(1000); | |
mmd->set_kernel(some<CGaussianKernel>(128, 8)); | |
mmd->set_statistic_type(ST_UNBIASED_FULL); | |
double statistic = mmd->compute_statistic(); | |
return statistic; | |
} | |
float64_t test2() | |
{ | |
auto f_features_p = some<CCSVFile>("../../data/toy/two_sample_test_gaussian.dat"); | |
auto f_features_q = some<CCSVFile>("../../data/toy/two_sample_test_laplace.dat"); | |
auto features_p = some<CDenseFeatures<float64_t>>(f_features_p); | |
auto features_q = some<CDenseFeatures<float64_t>>(f_features_q); | |
auto streaming_features_p = some<CStreamingDenseFeatures<float64_t>>(features_p); | |
auto streaming_features_q = some<CStreamingDenseFeatures<float64_t>>(features_q); | |
auto mmd = some<CLinearTimeMMD>(streaming_features_p, streaming_features_q); | |
mmd->set_num_samples_p(250); | |
mmd->set_num_samples_q(250); | |
mmd->set_num_blocks_per_burst(1000); | |
mmd->set_kernel(some<CGaussianKernel>(128, 8)); | |
mmd->set_statistic_type(ST_UNBIASED_FULL); | |
double statistic = mmd->compute_statistic(); | |
return statistic; | |
} | |
void test3() | |
{ | |
auto f_features_p = some<CCSVFile>("../../data/toy/two_sample_test_gaussian.dat"); | |
auto features_p = some<CDenseFeatures<float64_t>>(f_features_p); | |
auto streaming_features_p = some<CStreamingDenseFeatures<float64_t>>(features_p); | |
auto to_stream = 4; | |
streaming_features_p->start_parser(); | |
auto streamed_p = streaming_features_p->get_streamed_features(to_stream); | |
cout << streamed_p->get_num_vectors() << endl; | |
streaming_features_p->end_parser(); | |
} | |
int main(int argc, char** argv) | |
{ | |
init_shogun_with_defaults(); | |
// get_global_io()->set_loglevel(MSG_DEBUG); | |
get_global_io()->set_location_info(MSG_FUNCTION); | |
cout << test1() << endl; | |
cout << test2() << endl; | |
test3(); | |
exit_shogun(); | |
return 0; | |
} |
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