def train_adaboosted_RF_model(X_train, y_train, X_test):
    print_title("AdaBoosted RF")

    t1 = time.time()
    #Hyperparameters for the base estimator are from the RF model
    base_estimator = RandomForestRegressor(n_estimators=300,
                                           max_features=847,
                                           min_samples_leaf=1,
                                           n_jobs=-1)
    reg = AdaBoostRegressor(base_estimator,
                            n_estimators=50,
                            learning_rate=1.0,
                            loss='exponential',
                            random_state=12)
    reg.fit(X_train, y_train)
    joblib.dump(reg, 'EEW_ADA_RF_50estimators_model.pkl')
    print("Weights for each estimator: ", reg.estimator_weights_)
    print("Errors for each estimator: ", reg.estimator_errors_)

    # Prediction
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)
    t2 = time.time()
    print("Time elapsed: %d s" % (t2 - t1))

    return {
        "y": y_pred,
        "y_train": y_train_pred,
        "coef": reg.feature_importances_
    }
def start_forward_check_algorithm(size_min, size_max):
    for size in range(size_min, size_max + 1):
        print_title('CSP WARM-UP: start')
        print_title('CSP WARM-UP: init square with size ' + str(size))
        square = init_square(size)
        print_title('CSP WARM-UP: set possible values')
        possible_values_table = np.array([])
        for i in range(1, size + 1):
            possible_values_table = np.append(possible_values_table, i)
        print_title(
            'CSP WARM-UP: fill square non repeatedly (forward check algorithm)'
        )
        square_possible_values = np.full((size, size, size),
                                         possible_values_table,
                                         dtype=np.int16)
        start_time = time.time()
        is_filled, square_filled = fill_square_non_repeatedly_forward_checking(
            square, square_possible_values, False, 0)
        end_time = time.time()
        print('Time elapsed: ', end_time - start_time)
        print('Result')
        for y in range(0, square_filled.shape[0]):
            square_filled_str = np.array2string(square_filled[y],
                                                precision=2,
                                                separator=', ',
                                                max_line_width=60)
            print(' ' + square_filled_str[1:-1])
        print_title('CSP WARM-UP: end')
Exemple #3
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def train_lasso_model(_train_x, train_y, _predict_x):
    print_title("Lasso Regressor")

    train_x, predict_x = \
        standarize_feature(_train_x, _predict_x)

    reg = linear_model.LassoCV(precompute=True, cv=5, verbose=1, n_jobs=4)
    reg.fit(train_x, train_y)
    print("alphas: %s" % reg.alphas_)
    print("mse path: %s" % np.mean(reg.mse_path_, axis=1))

    itemindex = np.where(reg.alphas_ == reg.alpha_)
    print("itemindex: %s" % itemindex)
    _mse = np.mean(reg.mse_path_[itemindex[0], :])
    print("Best alpha using bulit-in LassoCV: %f(mse: %f)" %
          (reg.alpha_, _mse))

    alpha = reg.alpha_
    reg = linear_model.Lasso(alpha=alpha)
    reg.fit(train_x, train_y)
    n_nonzeros = (reg.coef_ != 0).sum()
    print("Non-zeros coef: %d" % n_nonzeros)
    predict_y = reg.predict(predict_x)
    train_y_pred = reg.predict(train_x)

    return {"y": predict_y, "train_y": train_y_pred, "coef": reg.coef_}
def clean_package_files(script_settings):
    try:
        # instantiate the msfsProject and create the necessary resources if it does not exist
        msfs_project = MsfsProject(script_settings.projects_path,
                                   script_settings.project_name,
                                   script_settings.definition_file,
                                   script_settings.author_name,
                                   script_settings.sources_path)

        check_configuration(script_settings, msfs_project)

        if script_settings.backup_enabled:
            msfs_project.backup(
                Path(os.path.abspath(__file__)).stem.replace(
                    SCRIPT_PREFIX, str()))

        isolated_print(EOL)
        print_title("CLEAN PACKAGE FILES")

        msfs_project.clean()

        if script_settings.build_package_enabled:
            build_package(msfs_project, script_settings)

        pr_bg_green("Script correctly applied" + constants.CEND)

    except ScriptError as ex:
        error_report = "".join(ex.value)
        isolated_print(constants.EOL + error_report)
        pr_bg_red("Script aborted" + constants.CEND)
    except RuntimeError as ex:
        isolated_print(constants.EOL + str(ex))
        pr_bg_red("Script aborted" + constants.CEND)
Exemple #5
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def train_lassolars_model(train_x, train_y, predict_x):
    print_title("LassoLars Regressor")
    reg = linear_model.LassoLarsCV(cv=10,
                                   n_jobs=3,
                                   max_iter=2000,
                                   normalize=False)
    reg.fit(train_x, train_y)
    print("alphas and cv_alphas: {0} and {1}".format(reg.alphas_.shape,
                                                     reg.cv_alphas_.shape))
    print("alphas[%d]: %s" % (len(reg.cv_alphas_), reg.cv_alphas_))
    print("mse shape: {0}".format(reg.cv_mse_path_.shape))
    # print("mse: %s" % np.mean(_mse, axis=0))
    # print("mse: %s" % np.mean(_mse, axis=1))
    # index = np.where(reg.alphas_ == reg.alpha_)
    # print("itemindex: %s" % index)
    index = np.where(reg.cv_alphas_ == reg.alpha_)
    _mse_v = np.mean(reg.cv_mse_path_[index, :])
    print("mse value: %f" % _mse_v)

    print("best alpha: %f" % reg.alpha_)
    best_alpha = reg.alpha_
    reg = linear_model.LassoLars(alpha=best_alpha)
    reg.fit(train_x, train_y)
    n_nonzeros = (reg.coef_ != 0).sum()
    print("Non-zeros coef: %d" % n_nonzeros)
    predict_y = reg.predict(predict_x)
    return {'y': predict_y, "coef": reg.coef_}
Exemple #6
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def train_ridge_linear_model(_train_x,
                             train_y,
                             _predict_x,
                             sample_weight=None):
    print_title("Ridge Regressor")
    train_x, predict_x = \
        standarize_feature(_train_x, _predict_x)

    # using the default CV
    alphas = [0.1, 1, 10, 100, 1e3, 1e4, 2e4, 5e4, 8e4, 1e5, 1e6, 1e7, 1e8]
    reg = linear_model.RidgeCV(alphas=alphas, store_cv_values=True)
    #reg.fit(train_x, train_y, sample_weight=sample_weight)
    reg.fit(train_x, train_y)
    cv_mse = np.mean(reg.cv_values_, axis=0)
    print("alphas: %s" % alphas)
    print("CV MSE: %s" % cv_mse)
    print("Best alpha using built-in RidgeCV: %f" % reg.alpha_)

    # generate the prediction using the best model
    alpha = reg.alpha_
    reg = linear_model.Ridge(alpha=alpha)
    #reg.fit(train_x, train_y, sample_weight=sample_weight)
    reg.fit(train_x, train_y)
    predict_y = reg.predict(predict_x)
    train_y_pred = reg.predict(train_x)

    return {"y": predict_y, "train_y": train_y_pred, "coef": reg.coef_}
def compress_built_package(script_settings):
    try:
        # instantiate the msfsProject and create the necessary resources if it does not exist
        msfs_project = MsfsProject(script_settings.projects_path,
                                   script_settings.project_name,
                                   script_settings.definition_file,
                                   script_settings.author_name,
                                   script_settings.sources_path,
                                   fast_init=True)

        check_configuration(script_settings,
                            msfs_project,
                            check_built_package=True,
                            check_compressonator=True)

        isolated_print(EOL)
        print_title("COMPRESS BUILT PACKAGE")

        msfs_project.compress_built_package(script_settings)

        if script_settings.build_package_enabled:
            build_package(msfs_project, script_settings)

        pr_bg_green("Script correctly applied" + constants.CEND)

    except ScriptError as ex:
        error_report = "".join(ex.value)
        isolated_print(constants.EOL + error_report)
        pr_bg_red("Script aborted" + constants.CEND)
    except RuntimeError as ex:
        isolated_print(constants.EOL + str(ex))
        pr_bg_red("Script aborted" + constants.CEND)
Exemple #8
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    def display_title(self, title=str()):
        if self.range <= 0:
            return

        if title is not str():
            self.title = title
        if self.title is not str():
            print_title(self.title)
 def __init__(
     self,
     size_x,
     size_y,
 ):
     self.size_x = size_x
     self.size_y = size_y
     print_title('CSP CROSSWORD: new board with size x=' + str(size_x) +
                 ', y=' + str(size_y))
     self.board, self.board_result = self.init_board(size_x, size_y)
def train_random_forest_model(X_train, y_train, X_test):
    print_title("Random Forest")

    t1 = time.time()
    reg = RandomForestRegressor(n_estimators=300,
                                oob_score=True,
                                n_jobs=-1,
                                random_state=12)

    #Use OOB score to select hyperparameters. Trained in one sequence.
    max_features_ratio = [30, 10, 5, 3, 2, 1]
    num_max_features = [int(X_train.shape[1] / i) for i in max_features_ratio]
    num_min_samples_leaf = [1]

    max_oob = 0
    y_para = []
    for max_features in num_max_features:
        for min_samples_leaf in num_min_samples_leaf:
            reg.set_params(max_features=max_features,
                           min_samples_leaf=min_samples_leaf)
            reg.fit(X_train, y_train)
            y_oob = reg.oob_score_
            y_para.append([y_oob, max_features, min_samples_leaf])

            print(
                "RF model with max_features = %d, min_samples_leaf = %d (oob score = %f) trained."
                % (max_features, min_samples_leaf, y_oob))
            if max_oob < y_oob:
                max_oob = y_oob
                max_features_best = max_features
                min_samples_leaf_best = min_samples_leaf

    print(
        "The best hypoparameter max_features = %d, min_samples_leaf = %d (oob score = %f)."
        % (max_features_best, min_samples_leaf_best, max_oob))
    if (len(max_features_ratio) > 1) | (len(num_min_samples_leaf) > 1):
        reg.set_params(max_features=max_features_best,
                       min_samples_leaf=min_samples_leaf_best)
        reg.fit(X_train, y_train)

    joblib.dump(reg, 'EEW_RF_tree300_model.pkl')
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)

    t2 = time.time()
    print("Time elapsed: %d s" % (t2 - t1))

    return {
        "y": y_pred,
        "y_train": y_train_pred,
        "coef": reg.feature_importances_
    }
def dimension_reduction_with_PCA(_X_train, _X_test, n_components):
    print_title("PCA")

    t1 = time.time()
    pca = PCA(n_components=n_components, random_state=12)
    pca.fit(_X_train)
    X_var_ratio = pca.explained_variance_ratio_
    print("%d principal components explain %.4f percent of the variance." %
          (n_components, np.sum(X_var_ratio) * 100))
    X_train = pca.transform(_X_train)
    X_test = pca.transform(_X_test)
    t2 = time.time()
    print("Time elapsed: %d s" % (t2 - t1))

    return X_train, X_test
def train_lasso_model(X_train, y_train, X_test):
    print_title("Lasso Regressor")

    reg = linear_model.LassoCV(precompute=True, cv=5, verbose=1, n_jobs=4)
    reg.fit(X_train, y_train)
    print("alphas: %s" % reg.alphas_)
    print("mse path: %s" % np.mean(reg.mse_path_, axis=1))
    print("Best alpha using bulit-in LassoCV: %f" % (reg.alpha_))

    n_nonzeros = (reg.coef_ != 0).sum()
    print("Non-zeros coef: %d" % n_nonzeros)

    # Prediction
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)

    return {"y": y_pred, "y_train": y_train_pred, "coef": reg.coef_}
def train_ridge_linear_model(X_train, y_train, X_test):
    print_title("Ridge Regressor")

    # using the default CV
    alphas = [0.1, 0.3, 1, 3, 10, 30, 100, 300, 1e3, 3e3, 1e4]
    reg = linear_model.RidgeCV(alphas=alphas, store_cv_values=True)
    reg.fit(X_train, y_train)
    cv_mse = np.mean(reg.cv_values_, axis=0)
    print("alphas: %s" % alphas)
    print("CV MSE: %s" % cv_mse)
    print("Best alpha using built-in RidgeCV: %d" % reg.alpha_)

    # Prediction
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)

    return {"y": y_pred, "y_train": y_train_pred, "coef": reg.coef_}
def dimension_reduction_with_MI(_X_train, _X_test, y_train, X_name,
                                n_components):
    print_title("Mutual Information")

    try:
        MI_train = load_json('MI_train.json')
        print('Mutual information file loaded.')
    except IOError:
        t1 = time.time()
        mi_train = mutual_info_regression(_X_train, y_train)
        t2 = time.time()
        print('Calculate mutual information: completed. Time: %d s' %
              (t2 - t1))
        dump_json({'mi': list(mi_train), "features": X_name}, 'MI_train.json')

    feature_index = np.argsort(MI_train['mi'])[-n_components:]
    X_train = _X_train[:, feature_index]
    X_test = _X_test[:, feature_index]

    return X_train, X_test
def train_SVM_model(X_train, y_train, X_test):
    print_title("Support Vector Machine")

    t1 = time.time()
    MLM = SVR(cache_size=500)

    #Cross Validation to choose from RBF and linear kernel
    tuned_parameters = [{
        'kernel': ['rbf'],
        'gamma': [100, 10, 1, 1e-1, 1e-2, 1e-3, 1e-4, 1e-5],
        'C': [0.1, 1, 10, 1e2, 1e3, 1e4, 1e5]
    }, {
        'kernel': ['linear'],
        'C': [0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100]
    }]

    reg = GridSearchCV(MLM,
                       tuned_parameters,
                       scoring='neg_mean_squared_error',
                       cv=5,
                       verbose=1,
                       n_jobs=-1)
    reg.fit(X_train, y_train)
    joblib.dump(reg, 'EEW_svm.pkl')

    print("Best parameters set found on training set:")
    print(reg.best_params_)
    print("Grid scores on training set:")
    means = reg.cv_results_['mean_test_score']
    stds = reg.cv_results_['std_test_score']
    for mean, std, params in zip(means, stds, reg.cv_results_['params']):
        print("%0.3f (+/-%0.03f) for %r" % (mean, std * 2, params))

    t2 = time.time()
    print("Time elapsed: %d s" % (t2 - t1))

    # Prediction
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)

    return {"y": y_pred, "y_train": y_train_pred, "coef": []}
def init_msfs_scenery_project(script_settings):
    try:
        print_title("INIT SCENERY PROJECT")

        # instantiate the msfsProject and create the necessary resources if it does not exist
        MsfsProject(script_settings.projects_path,
                    script_settings.project_name,
                    script_settings.definition_file,
                    script_settings.author_name,
                    script_settings.sources_path,
                    init_structure=True)

        pr_bg_green("Script correctly applied" + constants.CEND)

    except ScriptError as ex:
        error_report = "".join(ex.value)
        isolated_print(constants.EOL + error_report)
        pr_bg_red("Script aborted" + constants.CEND)
    except RuntimeError as ex:
        isolated_print(constants.EOL + str(ex))
        pr_bg_red("Script aborted" + constants.CEND)
    def __init__(self, session_user_id, api_id, api_hash, proxy=None):

        print_title("Initialization")

        super().__init__(
            session_user_id,
            api_id,
            api_hash,
            connection=ConnectionTcpAbridged,
            proxy=proxy,
        )

        print("Connecting to Telegram servers...")
        try:
            loop.run_until_complete(self.connect())
        except IOError:
            # We handle IOError and not ConnectionError because
            # PySocks' errors do not subclass ConnectionError
            # (so this will work with and without proxies).
            print("Initial connection failed. Retrying...")
            loop.run_until_complete(self.connect())

        if not loop.run_until_complete(self.is_user_authorized()):
            print("First run. Sending code request...")
            user_phone = input("Enter your phone: ")
            loop.run_until_complete(self.sign_in(user_phone))

            self_user = None
            while self_user is None:
                code = input("Enter the code you just received: ")
                try:
                    self_user = loop.run_until_complete(self.sign_in(code=code))

                except SessionPasswordNeededError:
                    pw = getpass(
                        "Two step verification is enabled. "
                        "Please enter your password: "
                    )

                    self_user = loop.run_until_complete(self.sign_in(password=pw))
def train_EN_model(X_train, y_train, X_test):
    print_title("Elastic Net")

    # Cross validation to choose the ratio of Lasso
    l1_ratio = [0.1, 0.5, 0.7, 0.9, 0.91, 0.93, 0.95, 0.97, 0.99, 1]

    reg = linear_model.ElasticNetCV(l1_ratio=l1_ratio,
                                    cv=5,
                                    n_jobs=4,
                                    verbose=1,
                                    precompute=True)
    reg.fit(X_train, y_train)
    n_nonzeros = (reg.coef_ != 0).sum()

    print("best_l1_ratio(%e), n_nonzeros: %d, alpha: %f " %
          (reg.l1_ratio_, n_nonzeros, reg.alpha_))

    # Prediction
    y_pred = reg.predict(X_test)
    y_train_pred = reg.predict(X_train)

    return {"y": y_pred, "y_train": y_train_pred, "coef": reg.coef_}
def initialize_kafka_producer_stream(producer):
    """Initializes the kafka producer stream.
      Reads the files from a drop location and outputs them to Kafka topic.

    Args:
      producer (Producer): The producer.
    """
    # Spark Configuration
    spark_session = spark_initializer.initialize_session(producer.app_name)
    file_stream_df = spark_initializer.read_stream(spark_session,
                                                   producer.drop_path,
                                                   producer.get_schema())

    # Converts the dataframe to a JSON format
    result_df = producer.to_json_df(file_stream_df)

    # Stream Data to Kafka
    print("Streaming to Kafka topic \"" + producer.topic + "\" ...")
    print_title("Kafka - Streaming to topic \"" + producer.topic + "\"")

    try:
        result_df.selectExpr("CAST(value AS STRING)")\
            .writeStream\
            .outputMode("append")\
            .format("kafka")\
            .option("kafka.bootstrap.servers", cfg.bootstrap_servers)\
            .option("topic", producer.topic)\
            .option("checkpointLocation", producer.checkpoint_path)\
            .start()\
            .awaitTermination()
    except Exception as e:
        print("")
        print(e)
        print("An error occured.")
        print("Are you missing the required dependencies?")
        print("Example: spark-submit " +
              console_bold("--packages " + cfg.required_dependencies) +
              " main.py " + cfg.activeProducers[0].name + "\n")
Exemple #20
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def train_EN_model(_train_x, train_y, _predict_x):
    print_title("ElasticNet")
    train_x, predict_x = \
        standarize_feature(_train_x, _predict_x)

    #l1_ratios = [1e-4, 1e-3, 1e-2, 1e-1]
    #l1_ratios = [1e-5, 1e-4, 1e-3]
    l1_ratios = [0.9, 0.92, 0.95, 0.97, 0.99]
    #l1_ratios = [0.5]
    min_mse = 1
    for r in l1_ratios:
        t1 = time.time()
        reg_en = linear_model.ElasticNetCV(l1_ratio=r,
                                           cv=5,
                                           n_jobs=4,
                                           verbose=1,
                                           precompute=True)
        reg_en.fit(train_x, train_y)
        n_nonzeros = (reg_en.coef_ != 0).sum()
        _mse = np.mean(reg_en.mse_path_,
                       axis=1)[np.where(reg_en.alphas_ == reg_en.alpha_)[0][0]]
        if _mse < min_mse:
            min_mse = _mse
            best_l1_ratio = r
            best_alpha = reg_en.alpha_
        t2 = time.time()
        print("ratio(%e) -- n: %d -- alpha: %f -- mse: %f -- "
              "time: %.2f sec" % (r, n_nonzeros, reg_en.alpha_, _mse, t2 - t1))

    print("Best l1_ratio and alpha: %f, %f" % (best_l1_ratio, best_alpha))
    # predict_model
    reg = linear_model.ElasticNet(l1_ratio=best_l1_ratio, alpha=best_alpha)
    reg.fit(train_x, train_y)
    predict_y = reg.predict(predict_x)
    train_y_pred = reg.predict(train_x)
    return {"y": predict_y, "train_y": train_y_pred, "coef": reg.coef_}
Exemple #21
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    def __convert_tiles_textures(self, src_format, dest_format):
        textures = self.__retrieve_tiles_textures(src_format)

        if textures:
            isolated_print(
                src_format +
                " texture files detected in the tiles of the project! Try to install pip, then convert them"
            )
            print_title("INSTALL PILLOW")
            install_python_lib("Pillow")

            pbar = ProgressBar(textures,
                               title="CONVERT " + src_format.upper() +
                               " TEXTURE FILES TO " + dest_format.upper())
            for texture in textures:
                file = texture.file
                if not texture.convert_format(src_format, dest_format):
                    raise ScriptError(
                        "An error was detected while converting texture files in "
                        + self.texture_folder + " ! Please convert them to " +
                        dest_format +
                        " format prior to launch the script, or remove them")
                else:
                    pbar.update("%s converted to %s" % (file, dest_format))
Exemple #22
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def start_backtracking_algorithm(size_min, size_max, lemmas):
    for size_y in range(size_min, size_max + 1):
        for size_x in range(size_min, size_max + 1):
            print_title('CSP CROSSWORD: start')
            print_title('CSP CROSSWORD: init square with size ' + str(size_y) +
                        'x' + str(size_x))
            csp_crossword = CspCrossword(size_y, size_x)
            print_title(
                'CSP CROSSWORD: fill square with words (backward algorithm)')
            start_time = time.time()
            csp_crossword.backward_assign_words(lemmas)
            end_time = time.time()
            print('Time elapsed: ', end_time - start_time)
            print('Result')
            csp_crossword.plot()
            csp_crossword.print_result()
            print_title('CSP CROSSWORD: end')
def start_backtracking_algorithm(size_min, size_max):
    for size in range(size_min, size_max + 1):
        print_title('CSP WARM-UP: start')
        print_title('CSP WARM-UP: init square with size ' + str(size))
        square = init_square(size)
        print_title('CSP WARM-UP: set possible values')
        possible_values = set()
        for i in range(1, size + 1):
            possible_values.add(i)
        print_title(
            'CSP WARM-UP: fill square non repeatedly (backward algorithm)')
        start_time = time.time()
        is_filled, square_filled = fill_square_non_repeatedly_backtracked(
            square, possible_values, False)
        end_time = time.time()
        print('Time elapsed: ', end_time - start_time)
        print('Result')
        for y in range(0, square_filled.shape[0]):
            square_filled_str = np.array2string(square_filled[y],
                                                precision=2,
                                                separator=', ',
                                                max_line_width=60)
            print(' ' + square_filled_str[1:-1])
        print_title('CSP WARM-UP: end')
Exemple #24
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def start(negative_points, positive_points, y_polynomial, initial_pop, param_crossover_probability, param_mutation_probability, param_generation_number):
    pop_size = initial_pop.shape[1]

    print_title('GA: start - polynomial degree 2')
    print_title('GA: initialise population of functions arguments')
    print(initial_pop)
    print_title('GA: evaluate negative and positive points groups')
    args_number = initial_pop.shape[0]
    args_pop_selected = np.zeros((args_number, 0), dtype=np.float16)
    args_pop_all, args_pop_fitness_values = evaluate(initial_pop, negative_points, positive_points, y_polynomial, args_pop_selected)
    print(args_pop_fitness_values)
    print_title('GA: selection, sort population by fitness values')
    args_pop_selected, best_value, worst_value, mean_value = selection_sort(args_pop_all, args_pop_fitness_values, pop_size)

    resulting_fitness_values = np.zeros((1, param_generation_number), dtype=np.float16)

    print(args_pop_selected)
    resulting_fitness_values[0] = best_value
    print('%.2f\t%.2f\t%.2f' % (best_value.astype(float), mean_value.astype(float), worst_value.astype(float)), end='\n')

    for i in range(param_generation_number - 1):
        # print(i)
        args_pop_crossovered = crossover(args_pop_selected, param_crossover_probability)
        args_pop_mutated = mutation(args_pop_crossovered, param_mutation_probability)
        args_pop_all, args_pop_fitness_values = evaluate(args_pop_mutated, negative_points, positive_points, y_polynomial, args_pop_selected)
        args_pop_selected, best_value, worst_value, mean_value = selection_sort(args_pop_all, args_pop_fitness_values, pop_size)
        resulting_fitness_values[0, i+1] = best_value
        print('%.2f\t%.2f\t%.2f' % (best_value.astype(float), mean_value.astype(float), worst_value.astype(float)), end='\n')

    args = args_pop_selected[:, 0][::-1]
    x = np.linspace(-10, 20, 1000)
    y = y_polynomial(x, *args)
    np.set_printoptions(suppress=True)
    plt.plot(x, y, label=str(np.around(args, decimals=3)[::-1]).strip('[]'))
    # plt.legend()
    plt.title('Polynomial of ' + str(len(args) - 1) + ' degree', loc='left')
    plt.title(str(best_value) + '% fit', loc='right')

    print('\n')
    print(args_pop_selected)

    return resulting_fitness_values
Exemple #25
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def start_forward_check_algorithm(size_min, size_max, lemmas):
    for size_y in range(size_min, size_max + 1):
        for size_x in range(size_min, size_max + 1):
            print_title('CSP CROSSWORD: start')
            print_title('CSP CROSSWORD: init square with size ' + str(size_y) +
                        'x' + str(size_x))
            csp_crossword = CspCrossword(size_y, size_x)
            print_title(
                'CSP CROSSWORD: fill square with words (forward check algorithm)'
            )
            square_possible_opts, square_possible_vals = csp_crossword.init_foreward_check_board(
                lemmas, size_y, size_x)
            start_time = time.time()
            csp_crossword.forward_assign_words(square_possible_opts,
                                               square_possible_vals)
            end_time = time.time()
            print('Time elapsed: ', end_time - start_time)
            print('Result')
            csp_crossword.plot()
            csp_crossword.print_result()
            print_title('CSP CROSSWORD: end')
Exemple #26
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def main():
    print_title('Genetic Algorithm starts')
    # generate_and_save_points()
    negative_points = get_negative_points()
    positive_points = get_positive_points()
    print_title('Negative and positive points')
    print(negative_points)
    print(positive_points)
    plt.plot(negative_points[0], negative_points[1], 'r.')
    plt.plot(positive_points[0], positive_points[1], 'b.')
    plt.axis([-10, 20, -10, 20])

    find_polynomial(2, negative_points, positive_points)
    # find_polynomial(3, negative_points, positive_points)
    # find_polynomial(4, negative_points, positive_points)
    # find_polynomial(5, negative_points, positive_points)

    plt.show()
    print_title('Genetic Algorithms end')
Exemple #27
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if WEIGHTS_PATH:
    model.load_weights(WEIGHTS_PATH)

model.compile(loss="sparse_categorical_crossentropy",
              optimizer=opt,
              metrics=["accuracy"])

if hvd.rank() == 0:
    model.summary()

# ==============
# Start training
# ==============

rank_prefix = "[" + str(hvd.rank()) + "]"
utils.print_title(rank_prefix + " Started Training")

sess.run(tf.local_variables_initializer())
sess.run(tf.global_variables_initializer())
sess.run(tf.tables_initializer())

# Broadcast initial variable states from rank 0 to all other processes:

bcast = hvd.broadcast_global_variables(0)
bcast.run(session=sess)

if hvd.rank() == 0:
    if args.progress:
        verbose = 1
    else:
        verbose = 2
Exemple #28
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# import sys
#
# for var, obj in locals().items():
#     print(var, sys.getsizeof(obj))

import os
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.patches import Circle
import matplotlib.cm as cm

import psf
import utils
import calibration

utils.print_title(message='\nN C P A', font=None, random_font=False)

print("\n           -||  MULTIWAVE  ||- ")
print("\nCan we use multiple wavelength channels to improve the calibration?\n")

# PSF bits
N_PIX = 256                         # pixels for the Fourier arrays
pix = 25                            # pixels to crop the PSF images
WAVE = 1.5                          # microns | reference wavelength
SPAX = 4.0                          # mas | spaxel scale
RHO_APER = utils.rho_spaxel_scale(spaxel_scale=SPAX, wavelength=WAVE)
RHO_OBSC = 0.30 * RHO_APER  # ELT central obscuration
print("Nominal Parameters | Spaxel Scale and Wavelength")
utils.check_spaxel_scale(rho_aper=RHO_APER, wavelength=WAVE)

N_actuators = 20                    # Number of actuators in [-1, 1] line
Exemple #29
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    pix,
    pix,
    2,
)
SNR = 500  # SNR for the Readout Noise
N_loops, epochs_loop = 5, 5  # How many times to loop over the training
readout_copies = 2  # How many copies with Readout Noise to use
N_iter = 3  # How many iterations to run the calibration (testing)

# In case you need to reload a library after changing it
import importlib
importlib.reload(calibration)

if __name__ == """__main__""":

    utils.print_title(message='N C P A', font='mayhem_d')

    plt.rc('font', family='serif')
    plt.rc('text', usetex=False)

    # ================================================================================================================ #
    #      Base Scenario - Get a model running, for reference
    # ================================================================================================================ #

    # Calculate the Actuator Centres
    centers = psf.actuator_centres(N_actuators,
                                   rho_aper=RHO_APER,
                                   rho_obsc=RHO_OBSC,
                                   radial=True)
    N_act = len(centers[0])
    psf.plot_actuators(centers, rho_aper=RHO_APER, rho_obsc=RHO_OBSC)
Exemple #30
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    """
    Print parameters.
    """
    print("Category         :", category_name)
    print('-'*80)
    print("Model Name       :", model_name)
    print("Image Shape      :", img_shape)
    print('-'*80)
    print("Num of Classes   :", num_classes)
    print("Train Size       :", train_size)
    print("Validation Size  :", val_size)
    print('-'*80)
    print("Epochs           :", epochs)
    print("Batch Size       :", batch_size)
    print("Initial LR       :", lr)
    print("Early Stopping Patience  :", early_stopping_patience)
    print("LR Reduce Patience       :", lr_reduce_patience)
    print('-'*80)
    print('Train Data Path‘ :')
    print(train_data_dir)
    print('Val Data Path‘   :')
    print(val_data_dir)
    print("Model Save Path  :")
    print(model_save_dir)
    
# Tests
if (__name__ == '__main__'):
    print_title('Test %s' % __file__, symbol='*')
    print_params()