Esempio n. 1
0
def test_nb_not_zinb():
    synthetic_dataset = SyntheticDataset()
    svaec = SVAEC(synthetic_dataset.nb_genes,
                  synthetic_dataset.n_batches,
                  synthetic_dataset.n_labels,
                  reconstruction_loss="nb")
    infer_synthetic_svaec = JointSemiSupervisedVariationalInference(
        svaec, synthetic_dataset, use_cuda=use_cuda)
    infer_synthetic_svaec.train(n_epochs=1)
Esempio n. 2
0
def test_synthetic_2():
    synthetic_dataset = SyntheticDataset()
    vaec = VAEC(synthetic_dataset.nb_genes, synthetic_dataset.n_batches,
                synthetic_dataset.n_labels)
    infer_synthetic_vaec = JointSemiSupervisedVariationalInference(
        vaec,
        synthetic_dataset,
        use_cuda=use_cuda,
        early_stopping_metric='ll',
        frequency=1,
        save_best_state_metric='accuracy',
        on='labelled')
    infer_synthetic_vaec.train(n_epochs=20)
    infer_synthetic_vaec.svc_rf(unit_test=True)
Esempio n. 3
0
def test_synthetic_1():
    synthetic_dataset = SyntheticDataset()
    svaec = SVAEC(synthetic_dataset.nb_genes, synthetic_dataset.n_batches,
                  synthetic_dataset.n_labels)
    infer_synthetic_svaec = JointSemiSupervisedVariationalInference(
        svaec, synthetic_dataset, use_cuda=use_cuda)
    infer_synthetic_svaec.train(n_epochs=1)
    infer_synthetic_svaec.entropy_batch_mixing('labelled')
    infer_synthetic_svaec.show_t_sne('labelled', n_samples=50)
    infer_synthetic_svaec.show_t_sne('unlabelled',
                                     n_samples=50,
                                     color_by='labels')
    infer_synthetic_svaec.show_t_sne('labelled',
                                     n_samples=50,
                                     color_by='batches and labels')
    infer_synthetic_svaec.clustering_scores('labelled')
Esempio n. 4
0
def test_cortex():
    cortex_dataset = CortexDataset()
    vae = VAE(cortex_dataset.nb_genes, cortex_dataset.n_batches)
    infer_cortex_vae = VariationalInference(vae,
                                            cortex_dataset,
                                            train_size=0.1,
                                            use_cuda=use_cuda)
    infer_cortex_vae.train(n_epochs=1)
    infer_cortex_vae.ll('train')
    infer_cortex_vae.differential_expression_stats('train')
    infer_cortex_vae.differential_expression('test')
    infer_cortex_vae.imputation_errors('test', rate=0.5)

    svaec = SVAEC(cortex_dataset.nb_genes, cortex_dataset.n_batches,
                  cortex_dataset.n_labels)
    infer_cortex_svaec = JointSemiSupervisedVariationalInference(
        svaec,
        cortex_dataset,
        n_labelled_samples_per_class=50,
        use_cuda=use_cuda)
    infer_cortex_svaec.train(n_epochs=1)
    infer_cortex_svaec.accuracy('labelled')
    infer_cortex_svaec.ll('all')

    svaec = SVAEC(cortex_dataset.nb_genes,
                  cortex_dataset.n_batches,
                  cortex_dataset.n_labels,
                  logreg_classifier=True)
    infer_cortex_svaec = AlternateSemiSupervisedVariationalInference(
        svaec,
        cortex_dataset,
        n_labelled_samples_per_class=50,
        use_cuda=use_cuda)
    infer_cortex_svaec.train(n_epochs=1, lr=1e-2)
    infer_cortex_svaec.accuracy('unlabelled')
    infer_cortex_svaec.svc_rf(unit_test=True)

    cls = Classifier(cortex_dataset.nb_genes, n_labels=cortex_dataset.n_labels)
    infer_cls = ClassifierInference(cls, cortex_dataset)
    infer_cls.train(n_epochs=1)
    infer_cls.accuracy('train')
Esempio n. 5
0
def test_synthetic_1():
    synthetic_dataset = SyntheticDataset()
    svaec = SVAEC(synthetic_dataset.nb_genes, synthetic_dataset.n_batches,
                  synthetic_dataset.n_labels)
    infer_synthetic_svaec = JointSemiSupervisedVariationalInference(
        svaec, synthetic_dataset, use_cuda=use_cuda)
    infer_synthetic_svaec.fit(n_epochs=1)
    infer_synthetic_svaec.entropy_batch_mixing('labelled')

    vaec = VAEC(synthetic_dataset.nb_genes, synthetic_dataset.n_batches,
                synthetic_dataset.n_labels)
    infer_synthetic_vaec = JointSemiSupervisedVariationalInference(
        vaec,
        synthetic_dataset,
        use_cuda=use_cuda,
        early_stopping_metric='ll',
        frequency=1,
        save_best_state_metric='accuracy',
        on='labelled')
    infer_synthetic_vaec.fit(n_epochs=20)
    infer_synthetic_vaec.svc_rf(unit_test=True)
    infer_synthetic_vaec.show_t_sne('labelled', n_samples=50)