Exemple #1
0
def Log_regression_our_method(X_train, X_test, y_train, y_test):
    for k in xrange(1):
        # Reduce dimensions in the data
        from distanceHDR import dim_reduction, dim_reduction_test
        Level, Train = dim_reduction(X_train,
                                     i_dim=X_train.shape[1],
                                     o_dim=2,
                                     g_size=2)
        Test = dim_reduction_test(X_test,
                                  Level,
                                  i_dim=X_train.shape[1],
                                  o_dim=2,
                                  g_size=2)
        y_train = y_train.reshape(-1)
        y_test = y_test.reshape(-1)

        # Classification
        inputs = Train.shape[1]
        classes = int(max(y_train))
        y = tflearn.data_utils.to_categorical(y_train - 1, classes)
        yT = tflearn.data_utils.to_categorical(y_test - 1, classes)
        # classification
        model = classification(Train,
                               y,
                               Test,
                               yT,
                               iterate=400,
                               classes=classes)
    return C

from scipy import stats
# Gather the normal and the test samples from the data
N = extract_samples(train_dataset, train_labels, 1);
T = extract_samples(train_dataset, train_labels, 4);

temp_scalar = preprocessing.StandardScaler(with_mean = True, with_std = True).fit(N)
N = temp_scalar.transform(N)
T = temp_scalar.transform(T)
import time
start = time.time()


# # 1 -- Dimension reduction
# Ref, Tree = initialize_calculation(T = None, Data = Xtr_s, gsize = 2,\
# par_train = 0, output_dimension = 4)
# # Test, Tree = initialize_calculation(T = Tree, Data = Xte_s, gsize = 2,\
# # par_train = 1, output_dimension = 4)

# 2 - Second type of dimension reduction
from distanceHDR import dim_reduction, dim_reduction_test
start = time.time()
Level, Ref = dim_reduction(N, i_dim=N.shape[1], o_dim=5, g_size=2)
# print(stats.describe(Ref))
Test = dim_reduction_test(T, Level, i_dim=T.shape[1], o_dim=5, g_size=2)
print("The time elapsed is", time.time()-start)
print("\nRef", Ref.shape, "Test", Test.shape)
print("\nref-ref", traditional_MTS(Ref, Ref, 0).mean())
print("\nref-test", traditional_MTS(Ref, Test, 0).mean())
Exemple #3
0

dataset = "sensorless"
No, y_train, T, y_test = Paper_res_v1.import_pickled_data(dataset)
# Transform the train data-set
scaler = preprocessing.StandardScaler(with_mean = True,\
 with_std = True).fit(No)
X_train = scaler.transform(No)
X_test = scaler.transform(T)

N = 1
sco = np.zeros((1, 9))
print("DR is NDR")
n_comp = 4
g_size = 2
for i in tqdm(xrange(N)):
    #from distanceHDR import dim_reduction, dim_reduction_test
    Level, Train = dim_reduction(X_train,
                                 i_dim=X_train.shape[1],
                                 o_dim=n_comp,
                                 g_size=g_size)
    Test = dim_reduction_test(X_test,
                              Level,
                              i_dim=X_train.shape[1],
                              o_dim=n_comp,
                              g_size=g_size)
    sco[i, :] = comparison_class(Train, y_train, Test, y_test)

print("p-values are")
print(sco)
Exemple #4
0
def dim_reduction_comparison(dataset, n_comp, g_size):

    N, y_train, T, y_test = import_pickled_data(dataset)

    name_1 = ["PCA", "ISOMAP", "LLE", "FA", "KPCA"]
    dims =[PCA(n_components=n_comp, \
    copy=False, whiten=True, \
    svd_solver='auto', tol=0.00001, iterated_power='auto', random_state=None),

    Isomap(n_neighbors=n_comp, n_components=10, eigen_solver='auto',\
     tol=0, max_iter=None, path_method='auto', neighbors_algorithm='auto', n_jobs=1),

     LocallyLinearEmbedding(n_neighbors=5, \
     n_components=n_comp, reg=0.001, eigen_solver='auto', tol=1e-06, max_iter=100, \
     method='standard', hessian_tol=0.0001, modified_tol=1e-12, \
     neighbors_algorithm='auto', random_state=None, n_jobs=1),

    FactorAnalysis(n_components= n_comp, tol=0.01, \
    copy=True, max_iter=1000, noise_variance_init=None,\
     svd_method='randomized', iterated_power=3, random_state=0),

    KernelPCA(n_components= n_comp, kernel='linear', gamma=None, degree=3, \
    coef0=1, kernel_params=None, alpha=1.0, \
    fit_inverse_transform=False, eigen_solver='auto', tol=0, max_iter=None,\
    remove_zero_eig=False, random_state=None, copy_X=True, n_jobs=1),
    ]

    # Transform the train data-set
    scaler = preprocessing.StandardScaler(with_mean = True,\
     with_std = True).fit(N)
    X_train = scaler.transform(N)
    X_test = scaler.transform(T)

    N = 1
    for n, clf in zip(name_1, dims):
        scores = np.zeros((N, 9))
        print("DR is", n)
        for i in tqdm(xrange(N)):
            Train = clf.fit_transform(X_train)
            Test = clf.transform(X_test)
            names, scores[i, :] = comparison_class(Train, y_train, Test,
                                                   y_test)
        np.savetxt(str(n) + str(dataset) + ".csv", scores)
        print("score is", scores)

    scores = np.zeros((N, 9))
    print("DR is NDR")
    for i in tqdm(xrange(N)):
        #from distanceHDR import dim_reduction, dim_reduction_test
        Level, Train = dim_reduction(X_train,
                                     i_dim=X_train.shape[1],
                                     o_dim=n_comp,
                                     g_size=g_size)
        Test = dim_reduction_test(X_test,
                                  Level,
                                  i_dim=X_train.shape[1],
                                  o_dim=n_comp,
                                  g_size=g_size)
        names, scores[i, :] = comparison_class(Train, y_train, Test, y_test)
    print(scores)
    np.savetxt("NDR" + str(dataset) + ".csv", scores)
Exemple #5
0
def comparson_dataset():
    ## Lets define define an array that can define dimensions
    D = [800, 1000, 1600, 3200, 6400, 10000]
    name_1 = ["PCA", "ISOMAP", "LLE", "FA", "KPCA"]

    dims =[PCA(n_components=9, \
    copy=False, whiten=True, \
    svd_solver='auto', tol=0.00001, iterated_power='auto', random_state=None),

    Isomap(n_neighbors=9, n_components=10, eigen_solver='auto',\
     tol=0, max_iter=None, path_method='auto', neighbors_algorithm='auto', n_jobs=1),

     LocallyLinearEmbedding(n_neighbors=5, \
     n_components=9, reg=0.001, eigen_solver='auto', tol=1e-06, max_iter=100, \
     method='standard', hessian_tol=0.0001, modified_tol=1e-12, \
     neighbors_algorithm='auto', random_state=None, n_jobs=1),

    FactorAnalysis(n_components= 9, tol=0.01, \
    copy=True, max_iter=1000, noise_variance_init=None,\
     svd_method='randomized', iterated_power=3, random_state=0),

    KernelPCA(n_components= 9, kernel='linear', gamma=None, degree=3, \
    coef0=1, kernel_params=None, alpha=1.0, \
    fit_inverse_transform=False, eigen_solver='auto', tol=0, max_iter=None,\
    remove_zero_eig=False, random_state=None, copy_X=True, n_jobs=1),
    ]

    for element in D:
        X_train, X_test, y_train, y_test = generate_new_data(
            (1000 + (element * 2)), element, n_inf=4)
        start = time.time()

        # Transform the train data-set
        scaler = preprocessing.StandardScaler(with_mean = True,\
         with_std = True).fit(X_train)
        X_train = scaler.transform(X_train)
        X_test = scaler.transform(X_test)
        N = 2
        p = 0
        Time = np.zeros((N, len(dims) + 1))
        for n, clf in zip(name_1, dims):
            scores = np.zeros((N, 9))
            print("DR is", n)
            for i in tqdm(xrange(N)):
                start = time.time()
                Train = clf.fit_transform(X_train)
                Test = clf.transform(X_test)
                names, scores[i, :] = comparison_class(Train, y_train, Test,
                                                       y_test)
                Time[i, p] = time.time() - start
            p = p + 1
            np.savetxt(str(n) + str(element) + "acc.csv", scores)
        print("The value of p after the first set", p)
        names.append("NDR")
        scores = np.zeros((N, 9))
        for i in tqdm(xrange(N)):
            #from distanceHDR import dim_reduction, dim_reduction_test
            start = time.time()
            Level, Train = dim_reduction(X_train,
                                         i_dim=X_train.shape[1],
                                         o_dim=4,
                                         g_size=2)
            Test = dim_reduction_test(X_test,
                                      Level,
                                      i_dim=X_train.shape[1],
                                      o_dim=4,
                                      g_size=2)

            print("Train shape", Train.shape, "Test shape", Test.shape)
            names, scores[i, :] = comparison_class(Train, y_train, Test,
                                                   y_test)
            Time[i, p] = time.time() - start
        np.savetxt(str(element) + "Time.csv", Time)