def extract_features_percentage(classifier, percentage, X, Y, extraction_type):
tiempo_i = time.time()
Errores = np.ones(10)
Metrics = np.zeros((10, 5))
j = 0
kf = KFold(n_splits=10)
clf = classifier
ex = extract_features(extraction_type, int(X.shape[1] * percentage / 100))
if (extraction_type == "pca"):
ex = ex.fit(X)
elif (extraction_type == "lda"):
ex = ex.fit(X, Y.astype(int))
X_ex = ex.transform(X)
for train_index, test_index in kf.split(X_ex):
X_train, X_test = X_ex[train_index], X_ex[test_index]
y_train, y_test = Y[train_index], Y[test_index]
model = clf.fit(X_train, y_train)
y_pred = model.predict(X_test)
Errores[j] = 1 - metrics(y_test, y_pred)[0]
Metrics[j, :] = metrics(y_test, y_pred)
j += 1
print("\nError de validación aplicando " + str(extraction_type) + " at " +
str(percentage) + "%: " + str(np.mean(Errores)) + "+/-" +
str(np.std(Errores)))
print("\nEficiencia en validación aplicando " + str(extraction_type) +
" at " + str(percentage) + "%: " +
str((1 - np.mean(Errores)) * 100) + "%")
print("\nTiempo total de ejecución: " + str(time.time() - tiempo_i) +
" segundos.")
MetricsMean = meanMetrics(Metrics)
MetricsStd = stdMetrics(Metrics)
printMetrics(MetricsMean)
print("\nDesviaciones Estandard")
printMetrics(MetricsStd)
return ex
def select_features_filter_percentage(classifier, percentage, X, Y):
tiempo_i = time.time()
Errores = np.ones(10)
Metrics = np.zeros((10, 5))
j = 0
kf = KFold(n_splits=10)
filter_method = SelectPercentile(mutual_info_classif,
percentile=percentage)
filter_method.fit(X, Y)
X_sf = filter_method.transform(X)
for train_index, test_index in kf.split(X_sf):
X_train, X_test = X_sf[train_index], X_sf[test_index]
y_train, y_test = Y[train_index], Y[test_index]
classifier.fit(X_train, y_train)
y_pred = classifier.predict(X_test)
Metrics[j, :] = metrics(y_test, y_pred)
Errores[j] = 1 - metrics(y_test, y_pred)[0]
j += 1
print("\nError de validación aplicando at " + str(percentage) + "%: " +
str(np.mean(Errores)) + "+/-" + str(np.std(Errores)))
print("\nEficiencia en validación aplicando at " + str(percentage) +
"%: " + str((1 - np.mean(Errores)) * 100) + "%")
print("\nTiempo total de ejecución: " + str(time.time() - tiempo_i) +
" segundos.")
MetricsMean = meanMetrics(Metrics)
MetricsStd = stdMetrics(Metrics)
printMetrics(MetricsMean)
print("\nDesviaciones Estandard")
printMetrics(MetricsStd)
return filter_method
def select_features_number(classifier, number_features, fwd, fltg, X, Y):
tiempo_i = time.time()
Errores = np.ones(10)
Metrics = np.zeros((10, 5))
j = 0
kf = KFold(n_splits=10)
clf = classifier
sf = select_features(clf, number_features, fwd, fltg)
sf = sf.fit(X, Y)
X_sf = sf.transform(X)
for train_index, test_index in kf.split(X_sf):
X_train, X_test = X_sf[train_index], X_sf[test_index]
y_train, y_test = Y[train_index], Y[test_index]
classifier.fit(X_train, y_train)
y_pred = classifier.predict(X_test)
Errores[j] = 1 - metrics(y_test, y_pred)[0]
Metrics[j, :] = metrics(y_test, y_pred)
j += 1
print("\nError de validación aplicando SFS: " + str(np.mean(Errores)) +
"+/-" + str(np.std(Errores)))
print("\nEficiencia en validación aplicando SFS: " +
str((1 - np.mean(Errores)) * 100) + "%")
print("\nTiempo total de ejecución: " + str(time.time() - tiempo_i) +
" segundos.")
MetricsMean = meanMetrics(Metrics)
MetricsStd = stdMetrics(Metrics)
printMetrics(MetricsMean)
print("\nDesviaciones Estandard")
printMetrics(MetricsStd)
return sf
exactitud = np.zeros((num_splits, 5))
iteration = 0
for train_index, test_index in kf.split(x):
X_train, X_test = x[train_index], x[test_index]
y_train, y_test = y[train_index], y[test_index]
clf.fit(X_train, y_train)
y_pred = clf.predict(X_test)
exactitud[iteration, :] = metrics(y_test, y_pred)
iteration += 1
error_standard = stdMetrics(error_promedio)
error_promedio = meanMetrics(error_promedio)
print('Error para C=', c)
printMetrics(error_promedio)
print('Desviación estandar')
print('###################################')
printMetrics(error_standard)
error_by_parameter[i, :] = error_promedio
i += 1
elapsed_time = time.time() - start
print('Elapsed time for one neuron Classification: ', elapsed_time)
plt.plot(C, error_by_parameter[:, 0], 'b--')
X_train, X_test = x[train_index], x[test_index]
y_train, y_test = y[train_index], y[test_index]
clf.fit(X_train,y_train)
y_pred = clf.predict(X_test)
error_promedio[iteration, :] = metrics(y_test, y_pred)
iteration += 1
error_desviacion = stdMetrics(error_promedio)
error_promedio = meanMetrics(error_promedio)
print('Error para', B, ' forest: ')
print('###########################################')
printMetrics(error_promedio)
print('Desviación estandar')
print('##########################################')
printMetrics(error_desviacion)
np.savetxt(saveFile, error_promedio)
error_by_B[i, :]=error_promedio
i+=1
saveFile.close()
elapsed_time = time.time()-start
print('Elapsed time for one neuron Classification: ',elapsed_time)
plt.plot(range(10,51,10), error_by_B[:, 0], 'b--')
plt.xlabel('Numero de Arboles')
"fossdriverrc.json")
fdServer = fossdriverSetup(fossdriverrc_path)
if not fdServer:
print(f"Unable to connect to Fossology server with fossdriver")
sys.exit(1)
all_metrics = getMetrics(cfg, fdServer)
metricsFilename = os.path.join(cfg._storepath, cfg._month,
"metrics.json")
saveMetrics(metricsFilename, all_metrics)
elif command == "printmetrics":
ran_command = True
metricsFilename = os.path.join(cfg._storepath, cfg._month,
"metrics.json")
printMetrics(metricsFilename)
elif command == "transfer":
ran_command = True
# set up fossdriver server connections
old_fossdriverrc_path = os.path.join(str(Path.home()),
".fossdriver",
"fossdriverrc.json")
old_server = fossdriverSetup(old_fossdriverrc_path)
if not old_server:
print(
f"Unable to connect to old Fossology server with fossdriver"
)
sys.exit(1)
new_fossdriverrc_path = os.path.join(str(Path.home()),
kf = KFold(n_splits=num_splits)
kf.get_n_splits(x)
model.compile(optimizer='adam',
loss='binary_crossentropy',
metrics=["accuracy"])
exactitud = np.zeros((num_splits, 5))
iteration = 0
start = time.time()
for train_index, test_index in kf.split(x):
X_train, X_test = x[train_index], x[test_index]
y_train, y_test = y[train_index], y[test_index]
model.fit(X_train, y_train, batch_size=100, epochs=5)
y_pred = model.predict_classes(X_test)
exactitud[iteration, :] = metrics(y_test, y_pred)
iteration += 1
elapsed_time = time.time() - start
mean_metrics = meanMetrics(exactitud)
std_metrics = stdMetrics(exactitud)
printMetrics(mean_metrics)
print('Desviación estandar')
print('########################################')
printMetrics(std_metrics)