graphcnn_4.py

 print("this simply ignores the connected edges, thus receives a pretty bad test_acc:")
graph_conv_filters = np.eye(A_norm.shape[0])
graph_conv_filters = K.constant(graph_conv_filters)
num_filters = 1

model = Sequential()
model.add(GraphCNN(Y.shape[1], num_filters, graph_conv_filters, input_shape=(X.shape[1],), activation='elu',
                       kernel_regularizer=l2(5e-4)))
model.add(Activation('softmax'))
model.compile(loss='categorical_crossentropy', optimizer=Adam(lr=0.01), metrics=['acc'])
model.summary()

nb_epochs = 100
for epoch in range(nb_epochs):
    model.fit(X, y_train, sample_weight=train_mask, batch_size=A.shape[0], epochs=1, shuffle=False, verbose=0)
    Y_pred = model.predict(X, batch_size=A.shape[0])
    _, train_acc = utils.evaluate_preds(Y_pred, [y_train], [idx_train])
    _, test_acc = utils.evaluate_preds(Y_pred, [y_test], [idx_test])
    print("Epoch: {:04d}".format(epoch), "train_acc= {:.4f}".format(train_acc[0]), "test_acc= {:.4f}".format(test_acc[0]))

#
# Epoch: 0099 train_acc= 1.0000 test_acc= 0.5130