Unhide jupyter code cells and outputs.
junos
parent
61d786b2ca
commit
b0b9edccc4
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@ -13,7 +13,7 @@
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# name: straw2analysis
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# ---
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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# %matplotlib inline
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import os
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import sys
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@ -35,26 +35,29 @@ InteractiveShell.ast_node_interactivity = "all"
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nb_dir = os.path.split(os.getcwd())[0]
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if nb_dir not in sys.path:
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sys.path.append(nb_dir)
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# %% [markdown]
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# # RAPIDS models
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# %% [markdown]
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# ## Set script's parameters
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#
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# %% jupyter={"source_hidden": false, "outputs_hidden": false} nteract={"transient": {"deleting": false}}
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cv_method_str = '5kfold' # logo, half_logo, 5kfold # Cross-validation method (could be regarded as a hyperparameter)
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n_sl = 3 # Number of largest/smallest accuracies (of particular CV) outputs
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undersampling = True # (bool) If True this will train and test data on balanced dataset (using undersampling method)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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model_input = pd.read_csv("../data/stressfulness_event_with_target_0_ver2/input_appraisal_stressfulness_event_mean.csv")
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# model_input = model_input[model_input.columns.drop(list(model_input.filter(regex='empatica_temperature')))]
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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index_columns = ["local_segment", "local_segment_label", "local_segment_start_datetime", "local_segment_end_datetime"]
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model_input.set_index(index_columns, inplace=True)
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model_input['target'].value_counts()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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# bins = [-10, 0, 10] # bins for z-scored targets
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bins = [-1, 0, 4] # bins for stressfulness (0-4) target
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model_input['target'], edges = pd.cut(model_input.target, bins=bins, labels=['low', 'high'], retbins=True, right=True) #['low', 'medium', 'high']
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@ -64,20 +67,20 @@ model_input['target'] = model_input['target'].astype(str).apply(lambda x: 0 if x
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model_input['target'].value_counts()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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# UnderSampling
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if undersampling:
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model_input.groupby("pid").count()
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no_stress = model_input[model_input['target'] == 0]
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stress = model_input[model_input['target'] == 1]
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no_stress = no_stress.sample(n=len(stress))
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model_input = pd.concat([stress,no_stress], axis=0)
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model_input["target"].value_counts()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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if cv_method_str == 'half_logo':
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model_input['pid_index'] = model_input.groupby('pid').cumcount()
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model_input['pid_count'] = model_input.groupby('pid')['pid'].transform('count')
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@ -90,7 +93,7 @@ else:
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data_x, data_y, data_groups = model_input.drop(["target", "pid"], axis=1), model_input["target"], model_input["pid"]
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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categorical_feature_colnames = ["gender", "startlanguage"]
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additional_categorical_features = [col for col in data_x.columns if "mostcommonactivity" in col or "homelabel" in col]
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categorical_feature_colnames += additional_categorical_features
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@ -110,7 +113,7 @@ numerical_features = data_x.drop(categorical_feature_colnames, axis=1)
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train_x = pd.concat([numerical_features, categorical_features], axis=1)
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train_x.dtypes
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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cv_method = StratifiedKFold(n_splits=5, shuffle=True) # Defaults to 5 k-folds in cross_validate method
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if cv_method_str == 'logo' or cv_method_str == 'half_logo':
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cv_method = LeaveOneGroupOut()
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@ -120,14 +123,16 @@ if cv_method_str == 'logo' or cv_method_str == 'half_logo':
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groups=data_groups,
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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imputer = SimpleImputer(missing_values=np.nan, strategy='median')
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# %% [markdown]
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# ### Baseline: Dummy Classifier (most frequent)
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# %% jupyter={"source_hidden": false, "outputs_hidden": false} nteract={"transient": {"deleting": false}}
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dummy_class = DummyClassifier(strategy="most_frequent")
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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dummy_classifier = cross_validate(
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dummy_class,
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X=imputer.fit_transform(train_x),
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@ -138,7 +143,7 @@ dummy_classifier = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(dummy_classifier['test_accuracy']))
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print("Acc (mean)", np.mean(dummy_classifier['test_accuracy']))
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print("Precision", np.mean(dummy_classifier['test_precision']))
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@ -150,10 +155,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(dummy_classifier['test_accur
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# %% [markdown]
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# ### Logistic Regression
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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logistic_regression = linear_model.LogisticRegression()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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log_reg_scores = cross_validate(
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logistic_regression,
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X=imputer.fit_transform(train_x),
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@ -163,7 +168,7 @@ log_reg_scores = cross_validate(
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n_jobs=-1,
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(log_reg_scores['test_accuracy']))
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print("Acc (mean)", np.mean(log_reg_scores['test_accuracy']))
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print("Precision", np.mean(log_reg_scores['test_precision']))
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@ -175,10 +180,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(log_reg_scores['test_accurac
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# %% [markdown]
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# ### Support Vector Machine
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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svc = svm.SVC()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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svc_scores = cross_validate(
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svc,
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X=imputer.fit_transform(train_x),
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@ -188,7 +193,7 @@ svc_scores = cross_validate(
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n_jobs=-1,
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(svc_scores['test_accuracy']))
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print("Acc (mean)", np.mean(svc_scores['test_accuracy']))
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print("Precision", np.mean(svc_scores['test_precision']))
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@ -200,10 +205,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(svc_scores['test_accuracy'],
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# %% [markdown]
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# ### Gaussian Naive Bayes
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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gaussian_nb = naive_bayes.GaussianNB()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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gaussian_nb_scores = cross_validate(
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gaussian_nb,
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X=imputer.fit_transform(train_x),
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@ -214,7 +219,7 @@ gaussian_nb_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(gaussian_nb_scores['test_accuracy']))
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print("Acc (mean)", np.mean(gaussian_nb_scores['test_accuracy']))
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print("Precision", np.mean(gaussian_nb_scores['test_precision']))
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@ -226,10 +231,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(gaussian_nb_scores['test_acc
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# %% [markdown]
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# ### Stochastic Gradient Descent Classifier
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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sgdc = linear_model.SGDClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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sgdc_scores = cross_validate(
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sgdc,
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X=imputer.fit_transform(train_x),
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@ -240,7 +245,7 @@ sgdc_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(sgdc_scores['test_accuracy']))
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print("Acc (mean)", np.mean(sgdc_scores['test_accuracy']))
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print("Precision", np.mean(sgdc_scores['test_precision']))
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@ -252,10 +257,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(sgdc_scores['test_accuracy']
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# %% [markdown]
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# ### K-nearest neighbors
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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knn = neighbors.KNeighborsClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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knn_scores = cross_validate(
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knn,
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X=imputer.fit_transform(train_x),
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@ -266,7 +271,7 @@ knn_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(knn_scores['test_accuracy']))
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print("Acc (mean)", np.mean(knn_scores['test_accuracy']))
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print("Precision", np.mean(knn_scores['test_precision']))
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@ -278,10 +283,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(knn_scores['test_accuracy'],
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# %% [markdown]
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# ### Decision Tree
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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dtree = tree.DecisionTreeClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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dtree_scores = cross_validate(
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dtree,
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X=imputer.fit_transform(train_x),
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@ -292,7 +297,7 @@ dtree_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(dtree_scores['test_accuracy']))
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print("Acc (mean)", np.mean(dtree_scores['test_accuracy']))
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print("Precision", np.mean(dtree_scores['test_precision']))
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@ -304,10 +309,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(dtree_scores['test_accuracy'
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# %% [markdown]
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# ### Random Forest Classifier
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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rfc = ensemble.RandomForestClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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rfc_scores = cross_validate(
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rfc,
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X=imputer.fit_transform(train_x),
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@ -319,7 +324,7 @@ rfc_scores = cross_validate(
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scoring=('accuracy', 'precision', 'recall', 'f1'),
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return_estimator=True
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(rfc_scores['test_accuracy']))
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print("Acc (mean)", np.mean(rfc_scores['test_accuracy']))
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print("Precision", np.mean(rfc_scores['test_precision']))
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@ -331,7 +336,7 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(rfc_scores['test_accuracy'],
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# %% [markdown]
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# ### Feature importance (RFC)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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rfc_es_fimp = pd.DataFrame(columns=list(train_x.columns))
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for idx, estimator in enumerate(rfc_scores['estimator']):
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feature_importances = pd.DataFrame(estimator.feature_importances_,
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@ -353,10 +358,10 @@ train_x['empatica_temperature_cr_stdDev_X_SO_mean'].value_counts()
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# %% [markdown]
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# ### Gradient Boosting Classifier
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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gbc = ensemble.GradientBoostingClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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gbc_scores = cross_validate(
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gbc,
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X=imputer.fit_transform(train_x),
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@ -367,7 +372,7 @@ gbc_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(gbc_scores['test_accuracy']))
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print("Acc (mean)", np.mean(gbc_scores['test_accuracy']))
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print("Precision", np.mean(gbc_scores['test_precision']))
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@ -379,10 +384,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(gbc_scores['test_accuracy'],
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# %% [markdown]
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# ### LGBM Classifier
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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lgbm = LGBMClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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lgbm_scores = cross_validate(
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lgbm,
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X=imputer.fit_transform(train_x),
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@ -393,7 +398,7 @@ lgbm_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(lgbm_scores['test_accuracy']))
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print("Acc (mean)", np.mean(lgbm_scores['test_accuracy']))
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print("Precision", np.mean(lgbm_scores['test_precision']))
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@ -405,10 +410,10 @@ print(f"Smallest {n_sl} ACC:", np.sort(np.partition(lgbm_scores['test_accuracy']
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# %% [markdown]
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# ### XGBoost Classifier
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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xgb_classifier = xg.sklearn.XGBClassifier()
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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xgb_classifier_scores = cross_validate(
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xgb_classifier,
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X=imputer.fit_transform(train_x),
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@ -419,7 +424,7 @@ xgb_classifier_scores = cross_validate(
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error_score='raise',
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scoring=('accuracy', 'precision', 'recall', 'f1')
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)
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# %% jupyter={"source_hidden": true}
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# %% jupyter={"source_hidden": false, "outputs_hidden": false}
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print("Acc (median)", np.nanmedian(xgb_classifier_scores['test_accuracy']))
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print("Acc (mean)", np.mean(xgb_classifier_scores['test_accuracy']))
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print("Precision", np.mean(xgb_classifier_scores['test_precision']))
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@ -428,4 +433,4 @@ print("F1", np.mean(xgb_classifier_scores['test_f1']))
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print(f"Largest {n_sl} ACC:", np.sort(-np.partition(-xgb_classifier_scores['test_accuracy'], n_sl)[:n_sl])[::-1])
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print(f"Smallest {n_sl} ACC:", np.sort(np.partition(xgb_classifier_scores['test_accuracy'], n_sl)[:n_sl]))
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# %%
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# %% jupyter={"outputs_hidden": false, "source_hidden": false}
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