def evalTrainAndTestSet(x_train, x_test, y_train, y_test):
classes_train = pd.concat([y_train, pd.get_dummies(y_train)],axis=1).drop(['Prior_Emotion'],axis=1)
classes_test = pd.concat([y_test, pd.get_dummies(y_test)],axis=1).drop(['Prior_Emotion'],axis=1)
model = shallowNN_emotions_from_dimensions(len(APPRAISALS), LAYER_DIM, DROPOUT, LABELS, 'softmax')
model.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
# appraisals_shaped = np.expand_dims(appraisals, axis=2)
print('\nTraining on %d instances...' % len(x_train))
if (args.quiet):
for _ in range(EPOCHS):
model.fit(x_train, classes_train, batch_size=BATCH_SIZE, epochs=1, verbose=VERBOSITY)
print('.', end='', flush=True)
else:
model.fit(x_train, classes_train, batch_size=BATCH_SIZE, epochs=EPOCHS, verbose=VERBOSITY)
predicted_classes = []
print('\nTesting on %d instances...' % len(x_test))
# appraisals_shaped = np.expand_dims(appraisals, axis=2)
predictions = model.predict(x_test)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes.append(LABELS[index])
metrics_fold = metrics.metrics(y_test, predicted_classes, LABELS, 2)
metrics_fold.showResults()
def trainAndSaveModel(x_train, y_appraisal, y_emotion):
if (args.continous):
activation = 'linear' # Use linear activation
activation = 'sigmoid' # Use sigmoid activation
loss = 'mse' # Use mean squared error loss
metric = ['mse', 'mae']
else:
activation = 'sigmoid'
loss = 'binary_crossentropy'
metric = ['accuracy']
model = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH,
vocab_size, EMBEDDING_DIMS,
FILTER_SIZE, CONV_FILTERS,
embedding_matrix, DROPOUT,
len(APPRAISALS), activation)
model.compile(OPTIMIZER, loss, metrics=metric)
# appraisals_shaped = np.expand_dims(appraisals, axis=2)
print('\nINFO: Learning to predict appraisals on %d instances...' % len(x_train))
if (args.quiet):
for _ in range(EPOCHS_A):
model.fit(x_train, y_appraisal, batch_size=BATCH_SIZE, epochs=1, verbose=VERBOSITY)
print('.', end='', flush=True)
else:
model.fit(x_train, y_appraisal, batch_size=BATCH_SIZE, epochs=EPOCHS_A, verbose=VERBOSITY)
if (not args.savemodel[0].endswith('.h5')):
print('\nINFO: Your appraisal model does not end with ".h5".')
print(' Automatically appending file extension.')
args.savemodel[0] += '.h5'
model.save(args.savemodel[0])
print('\nINFO: Saved appraisal prediction model to %s' % args.savemodel[0])
emotion_predictor = shallowNN_emotions_from_dimensions(
len(APPRAISALS), CONV_FILTERS, DROPOUT, LABELS, 'softmax')
emotion_predictor.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
emotions_train = pd.concat([y_emotion, pd.get_dummies(y_emotion)],axis=1).drop(['Prior_Emotion'],axis=1)
print('\nINFO: Learning to predict emototions on %d instances...' % len(text_instances_padded))
if (args.quiet):
for _ in range(EPOCHS_E):
emotion_predictor.fit(y_appraisal, emotions_train,
batch_size=BATCH_SIZE, epochs=1,
verbose=VERBOSITY)
print('.', end='', flush=True)
else:
emotion_predictor.fit(y_appraisal, emotions_train,
batch_size=BATCH_SIZE, epochs=EPOCHS_E,
verbose=VERBOSITY)
if (not args.savemodel[1].endswith('.h5')):
print('\nINFO: Your emotion model does not end with ".h5".')
print(' Automatically appending file extension.')
args.savemodel[1] += '.h5'
emotion_predictor.save(args.savemodel[1])
print('\nINFO: Saved emotion prediction model to %s' % args.savemodel[1])
def trainAndSaveModel(x_train, y_train):
classes_train = pd.concat([y_train, pd.get_dummies(y_train)],axis=1).drop(['Prior_Emotion'],axis=1)
model = shallowNN_emotions_from_dimensions(len(APPRAISALS), LAYER_DIM, DROPOUT, LABELS, 'softmax')
model.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
# appraisals_shaped = np.expand_dims(appraisals, axis=2)
print('\nTraining on %d instances...' % len(x_train))
if (args.quiet):
for _ in range(EPOCHS):
model.fit(x_train, classes_train, batch_size=BATCH_SIZE, epochs=1, verbose=VERBOSITY)
print('.', end='', flush=True)
else:
model.fit(x_train, classes_train, batch_size=BATCH_SIZE, epochs=EPOCHS, verbose=VERBOSITY)
if (not args.savemodel.endswith('.h5')):
args.savemodel = args.savemodel + '.h5'
model.save(args.savemodel)
print('Saved model to %s' % args.savemodel)
def performCrossValidation(x_data, y_data):
metrics_final = metrics.metrics(None, None, LABELS, 2)
for seed in range(ROUNDS):
np.random.seed(seed)
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
from keras import backend as K
K.clear_session()
classes_train = pd.concat([y_data[train], pd.get_dummies(y_data[train])],axis=1).drop(['Prior_Emotion'],axis=1)
classes_test = pd.concat([y_data[test], pd.get_dummies(y_data[test])],axis=1).drop(['Prior_Emotion'],axis=1)
model = shallowNN_emotions_from_dimensions(len(APPRAISALS),
LAYER_DIM, DROPOUT, LABELS, 'softmax')
model.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
# appraisals_shaped = np.expand_dims(appraisals[train], axis=2)
print('\n\nTraining on %d instances...' % len(classes_train))
if (args.quiet):
for _ in range(EPOCHS):
model.fit(appraisals[train], classes_train, batch_size=BATCH_SIZE, epochs=1, verbose=VERBOSITY)
print('.', end='', flush=True)
else:
model.fit(appraisals[train], classes_train, batch_size=BATCH_SIZE, epochs=EPOCHS, verbose=VERBOSITY)
predicted_classes = []
print('\nEvaluating fold (%d instances)...' % len(y_data[test]))
# appraisals_shaped = np.expand_dims(appraisals[test], axis=2)
predictions = model.predict(appraisals[test])
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes.append(LABELS[index])
metrics_fold = metrics.metrics(y_data[test], predicted_classes, LABELS, 2)
metrics_fold.showResults()
metrics_final.addIntermediateResults(y_data[test],predicted_classes)
print('\nFinal Result:')
metrics_final.writeResults(EXPERIMENTNAME, SAVEFILE)
def performCrossValidation(x_data, y_data):
percentage_done = 0
metrics_final = metrics.metrics(None, None, LABELS, 2)
TP_total = 0
size_total = 0
TP_Baseline = 0
for seed in range(ROUNDS):
np.random.seed(seed)
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
K.clear_session()
classes_train = pd.concat(
[y_data[train], pd.get_dummies(y_data[train])],
axis=1).drop(['Prior_Emotion'], axis=1)
classes_test = pd.concat(
[y_data[test], pd.get_dummies(y_data[test])],
axis=1).drop(['Prior_Emotion'], axis=1)
# Learn to predict emotins based on text (on enISEAR)
text_to_emotion_model = text_cnn_model_baseline(
MAX_SEQUENCE_LENGTH, 3116, EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix, DROPOUT, LABELS, 'softmax')
text_to_emotion_model.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
text_to_emotion_model.fit(data_padded[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_text_to_emotion,
verbose=VERBOSITY)
# text_to_emotion_model.save('saved_models/baseline_' + str(percentage_done))
# # del text_to_emotion_model
# # K.clear_session()
# text_to_emotion_model = load_model('saved_models/baseline_' + str(percentage_done))
predicted_classes_text_to_emotion = []
predictions = text_to_emotion_model.predict(x_data[test])
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes_text_to_emotion.append(LABELS[index])
metrics_fold1 = metrics.metrics(y_data[test],
predicted_classes_text_to_emotion,
LABELS, 2)
metrics_fold1.showResults()
# # Learn to predict emotions from dimensions
model1 = shallowNN_emotions_from_dimensions(
len(DIMENSIONS), LAYER_DIM, DROPOUT, LABELS, 'softmax')
model1.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
# vectors_shaped = np.expand_dims(vectors[train], axis=2)
model1.fit(vectors[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_p1,
verbose=VERBOSITY)
# model1.save('saved_models/dim_to_emotion_' + str(percentage_done))
# model1 = load_model('saved_models/dim_to_emotion_' + str(percentage_done))
model = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH, vocab_size,
EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix,
DROPOUT, len(LABELS), 'sigmoid')
model.compile(OPTIMIZER,
'binary_crossentropy',
metrics=['accuracy'])
# model.fit(data_padded[train], vectors[train], batch_size=BATCH_SIZE, epochs=EPOCHS_p2, verbose=VERBOSITY, class_weight=class_weight)
model.fit(data_padded[train],
vectors[train],
batch_size=BATCH_SIZE,
epochs=EPOCHS_p2,
verbose=VERBOSITY)
# model.save('saved_models/text_to_dim_' + str(percentage_done))
# model = load_model('saved_models/text_to_dim_' + str(percentage_done))
# predict dimensions on enISEAR
preds = model.predict(data_padded[test])
results = []
for row in range(len(preds)):
res = []
for dim in range(len(DIMENSIONS)):
value = preds[row][dim]
if (value >= 0.5):
value = 1
else:
value = 0
res.append(value)
results.append(res)
results = np.array(results)
predicted_classes = []
predictions = model1.predict(results)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes.append(LABELS[index])
preds = model.predict(data_padded)
results = []
for row in range(len(preds)):
res = []
for dim in range(len(DIMENSIONS)):
value = preds[row][dim]
if (value >= 0.5):
value = 1
else:
value = 0
res.append(value)
results.append(res)
results = np.array(results)
# Predict emotions from predicted appraisals on enISEAR
predicted_classes_train = []
predictions = model1.predict(results)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes_train.append(LABELS[index])
print('enISEAR: T->A->E')
metrics_fold = metrics.metrics(y_data[test], predicted_classes,
LABELS, 2)
metrics_fold.showResults()
# Predict emotions from text on enISEAR
predicted_classes_text_to_emotion_train = []
predictions = text_to_emotion_model.predict(data_padded)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes_text_to_emotion_train.append(LABELS[index])
sentences = data_enISEAR
classes = classes_enISEAR
TP_text_to_emotion = 0
TP_text_to_appraisal_to_emotion = 0
FN = 0
train_sentences = []
pred_combined = []
labels_selector = []
for i in range(len(data_padded)):
label_gold = classes_enISEAR.iloc[i]
if (label_gold == predicted_classes_text_to_emotion_train[i]
and label_gold == predicted_classes_train[i]):
# Both models correct
labels_selector.append([1, 1])
elif (label_gold == predicted_classes_train[i]):
# Only appraisal model correct
labels_selector.append([1, 0])
elif (label_gold == predicted_classes_text_to_emotion_train[i]
):
# Only text-to-emotion model correct
labels_selector.append([0, 1])
else:
# Both models predicted the wrong emotion
labels_selector.append([0, 0])
# print(len(labels_selector))
labels_selector = np.array(labels_selector)
selector_model = text_cnn_model_selector(
MAX_SEQUENCE_LENGTH, vocab_size, EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix, DROPOUT, LABELS, 'sigmoid')
selector_model.compile(loss='binary_crossentropy',
metrics=['accuracy'],
optimizer=OPTIMIZER)
selector_model.fit(data_padded,
labels_selector,
batch_size=32,
epochs=EPOCHS_SELECTION_MODEL,
verbose=VERBOSITY,
class_weight=class_weight_selector_model)
TP_text_to_emotion = 0
TP_text_to_appraisal_to_emotion = 0
FN = 0
selection_ = []
selections = selector_model.predict(x_data[test])
for i in range(len(selections)):
selection_.append(np.argmax(selections[i]))
# selection_.append(selection[i])
# print(selection_[i])
# print(selection[i])
sentences = sentence_enISEAR_raw[test]
classes = classes_enISEAR[test]
pred_combined = []
labels_selector = []
for i in range(len(x_data[test])):
label_gold = classes.iloc[i]
if (selection_[i] == 1):
TP_text_to_emotion += 1
pred_combined.append(predicted_classes_text_to_emotion[i])
elif (selection_[i] == 0):
# Appraisal system is correct
TP_text_to_appraisal_to_emotion += 1 # = TN
pred_combined.append(predicted_classes[i])
else:
FN += 1 #
pred_combined.append(predicted_classes_text_to_emotion[i])
percentage_done += 1
print('\nPerforming CV... (' + str(percentage_done) + "%)")
print('Selected from Baseline : ' + str(TP_text_to_emotion))
print('Selected from Pipeline : ' +
str(TP_text_to_appraisal_to_emotion))
metrics_fold = metrics.metrics(y_data[test], pred_combined, LABELS,
2)
metrics_fold.showResults()
metrics_final.addIntermediateResults(y_data[test], pred_combined)
# TP_total += TP
# size_total += size
print('\nFinal Result:')
metrics_final.writeResults(EXPERIMENTNAME, SAVEFILE)
return
def performCrossValidation(x_data, y_data):
percentage_done = 0
metrics_final = metrics.metrics(None, None, LABELS, 2)
TP_total = 0
size_total = 0
for seed in range(ROUNDS):
np.random.seed(seed)
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
from keras import backend as K
K.clear_session()
tf.reset_default_graph()
classes_train = pd.concat(
[y_data[train], pd.get_dummies(y_data[train])],
axis=1).drop(['Prior_Emotion'], axis=1)
classes_test = pd.concat(
[y_data[test], pd.get_dummies(y_data[test])],
axis=1).drop(['Prior_Emotion'], axis=1)
####################################################################
# The problem with this orcale setup is that the models somehow
# influence each other if they are running in the same process
# on the GPU. A workaround is to train the baseline model on the
# folds and save all model weights locally. Then do the same for
# the pipeline. Afterwards load the saved weights and use them to
# predict the emotions.
# This means 10*10 models will be saved (10 folds times 10 runs)
####################################################################
####################################################################
# Uncomment this to create and save the baseline model weights
####################################################################
text_to_emotion_model = text_cnn_model_baseline(
MAX_SEQUENCE_LENGTH, vocab_size, EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix, DROPOUT, LABELS, 'softmax')
text_to_emotion_model.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
text_to_emotion_model.fit(x_data[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_text_to_emotion,
verbose=VERBOSITY)
text_to_emotion_model.save('baseline_' + str(percentage_done))
####################################################################
# This will load the baseline model weights
####################################################################
text_to_emotion_model = load_model('baseline_' +
str(percentage_done))
# Evaluate baseline model
predicted_classes_text_to_emotion = []
predictions = text_to_emotion_model.predict(x_data[test])
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes_text_to_emotion.append(LABELS[index])
metrics_fold = metrics.metrics(y_data[test],
predicted_classes_text_to_emotion,
LABELS, 2)
metrics_fold.showResults()
####################################################################
# Uncomment this to create and save the pipeline model weights
####################################################################
appraisal_emotion_predictor = shallowNN_emotions_from_dimensions(
len(DIMENSIONS), LAYER_DIM, DROPOUT, LABELS, 'softmax')
appraisal_emotion_predictor.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
# vectors_shaped = np.expand_dims(vectors[train], axis=2)
appraisal_emotion_predictor.fit(vectors[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_p1,
verbose=VERBOSITY)
# Save weights
appraisal_emotion_predictor.save('dim_to_emotion_' +
str(percentage_done))
input_shape = sentence_enISEAR.shape[1] # feature count
model = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH, vocab_size,
EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix,
DROPOUT, LABELS, 'sigmoid')
model.compile(OPTIMIZER,
'binary_crossentropy',
metrics=['accuracy'])
# model.fit(data_padded[train], vectors[train], batch_size=BATCH_SIZE, epochs=EPOCHS_p2, verbose=VERBOSITY)
model.fit(x_data[train],
vectors[train],
batch_size=BATCH_SIZE,
epochs=EPOCHS_p2,
verbose=VERBOSITY,
class_weight=class_weight)
model.save('text_to_dim_' + str(percentage_done))
# Load models
appraisal_emotion_predictor = load_model('dim_to_emotion_' +
str(percentage_done))
model = load_model('text_to_dim_' + str(percentage_done))
# predict dimensions from ISEAR
weights = [0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5]
preds = model.predict(data_padded[test])
results = []
for row in range(len(preds)):
res = []
for dim in range(len(DIMENSIONS)):
value = preds[row][dim]
if (value >= weights[dim]):
value = 1
else:
value = 0
res.append(value)
results.append(res)
results = np.array(results)
predicted_classes = []
predictions = appraisal_emotion_predictor.predict(results)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes.append(LABELS[index])
metrics_fold = metrics.metrics(y_data[test], predicted_classes,
LABELS, 2)
metrics_fold.showResults()
sentences = sentence_enISEAR_raw[test]
classes = classes_enISEAR[test]
TP_text_to_emotion = 0
TP_text_to_appraisal_to_emotion = 0
FN = 0
pred_combined = []
for i in range(len(x_data[test])):
label_gold = classes.iloc[i]
if (label_gold == predicted_classes_text_to_emotion[i]):
# Text based system is correct
TP_text_to_emotion += 1
# green('\n')
# green(i)
# green('Gold-Emotion : ' + label_gold)
# green('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# green('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes_text_to_emotion[i])
elif (label_gold == predicted_classes[i]):
# Appraisal system is correct
TP_text_to_appraisal_to_emotion += 1 # = TN
# yellow('\n')
# yellow(i)
# yellow('Gold-Emotion : ' + label_gold)
# yellow('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# yellow('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes[i])
else:
FN += 1 #
# print('\nGold-Emotion : ' + label_gold)
# print('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# print('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes_text_to_emotion[i])
percentage_done += 1
print('\nPerforming CV... (%2d%%)' % percentage_done)
size = len(predicted_classes)
TP = TP_text_to_emotion + TP_text_to_appraisal_to_emotion
accuracy = (TP / size) * 100
print('Current fold:')
print('Accuracy: %2.2f' % accuracy)
print('Text-to-emotion TP : %2d' % TP_text_to_emotion)
print('Text-to-appr-to-emotion TP : %2d' %
TP_text_to_appraisal_to_emotion)
metrics_fold = metrics.metrics(y_data[test], pred_combined, LABELS,
2)
# metrics_fold.showResults()
metrics_final.addIntermediateResults(y_data[test], pred_combined)
TP_total += TP
size_total += size
print('\n\nFinal Result:')
accuracy = ((TP_total) / size_total) * 100
print('Accuracy: %2.2f' % accuracy)
print(TP_total)
print(size_total)
metrics_final.writeResults(EXPERIMENTNAME, SAVEFILE)
return
def evalTrainAndTestSet(text_instances_padded, text_instances_padded_test,
appraisals_train, appraisals_test, class_labels_train, class_labels_test):
emotions_train = pd.concat([class_labels_train, pd.get_dummies(class_labels_train)],axis=1).drop(['Prior_Emotion'],axis=1)
emotions_test = pd.concat([class_labels_test, pd.get_dummies(class_labels_test)],axis=1).drop(['Prior_Emotion'],axis=1)
print('\nINFO: Learning to predict emototions on %d instances...' % len(text_instances_padded))
emotion_predictor = shallowNN_emotions_from_dimensions(
len(APPRAISALS), CONV_FILTERS, DROPOUT, LABELS, 'softmax')
emotion_predictor.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
# vectors_shaped = np.expand_dims(vectors[train], axis=2)
if (args.quiet):
for _ in range(EPOCHS_E):
emotion_predictor.fit(appraisals_train, emotions_train,
batch_size=BATCH_SIZE, epochs=1,
verbose=VERBOSITY)
print('.', end='', flush=True)
else:
emotion_predictor.fit(appraisals_train, emotions_train,
batch_size=BATCH_SIZE, epochs=EPOCHS_E,
verbose=VERBOSITY)
if (args.continous):
activation = 'linear' # Use linear activation
activation = 'sigmoid' # Use sigmoid activation
loss = 'mse' # Use mean squared error loss
metric = ['mse', 'mae']
else:
activation = 'sigmoid'
loss = 'binary_crossentropy'
metric = ['accuracy']
appraisal_predictor = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH,
vocab_size, EMBEDDING_DIMS,
FILTER_SIZE, CONV_FILTERS,
embedding_matrix, DROPOUT,
len(APPRAISALS), activation)
appraisal_predictor.compile(OPTIMIZER, loss, metrics=metric)
# appraisals_shaped = np.expand_dims(appraisals, axis=2)
print('\nINFO: Learning to predict appraisals on %d instances...' % len(text_instances_padded))
if (args.quiet):
for _ in range(EPOCHS_A):
appraisal_predictor.fit(text_instances_padded, appraisals_train, batch_size=BATCH_SIZE, epochs=1, verbose=VERBOSITY)
print('.', end='', flush=True)
else:
appraisal_predictor.fit(text_instances_padded,appraisals_train, batch_size=BATCH_SIZE, epochs=EPOCHS_A, verbose=VERBOSITY)
print('\nINFO: Testing on %d instances...' % len(class_labels_test))
if (args.continous == False):
# weights = [0.55, 0.65, 0.48, 0.3, 0.425, 0.4, 0.45] # Some experimental settings
weights = [0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50]
preds = appraisal_predictor.predict(text_instances_padded_test)
results = []
for row in range(len(preds)):
res = []
for dim in range(len(APPRAISALS)):
value = preds[row][dim]
if (value >= weights[dim]):
value = 1
else:
value = 0
res.append(value)
results.append(res)
appraisal_predictions = np.array(results)
else:
preds = appraisal_predictor.predict(text_instances_padded_test)
appraisal_predictions = np.array(preds)
# Predict emotions based on appraisal predictions
predicted_emotions = []
# results = np.expand_dims(results, axis=2)
emotions_predictions = emotion_predictor.predict(appraisal_predictions)
for i in range(len(emotions_predictions)):
index = np.argmax(emotions_predictions[i])
predicted_emotions.append(LABELS[index])
_metrics = metrics.metrics(class_labels_test, predicted_emotions, LABELS, 2)
_metrics.showResults()
def performCrossValidation(x_data, y_data_appraisal, y_data_emotion):
metrics_final = metrics.metrics(None, None, LABELS, 2)
percentage_done = 1
for seed in range(ROUNDS):
np.random.seed(seed)
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data_emotion):
K.clear_session()
emotions_train = pd.concat([y_data_emotion[train], pd.get_dummies(y_data_emotion[train])],axis=1).drop(['Prior_Emotion'],axis=1)
emotions_test = pd.concat([y_data_emotion[test], pd.get_dummies(y_data_emotion[test])],axis=1).drop(['Prior_Emotion'],axis=1)
####################################################################
# Task 1 : Learn to predict appraisals from text
####################################################################
if (args.continous):
activation = 'linear' # Use linear activation
# activation = 'sigmoid' # Use linear activation
loss = 'mse' # Use mean squared error loss
metric = ['mse', 'mae']
else:
activation = 'sigmoid'
loss = 'binary_crossentropy'
metric = ['accuracy']
print('\nINFO: Learning to predict appraisals from text...')
appraisal_predictor = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH, vocab_size,
EMBEDDING_DIMS, FILTER_SIZE, CONV_FILTERS,
embedding_matrix, DROPOUT, len(APPRAISALS), activation)
appraisal_predictor.compile(OPTIMIZER, loss, metrics=metric)
if (args.quiet):
for _ in range(EPOCHS_A):
appraisal_predictor.fit(text_instances_padded[train], appraisals[train],
batch_size=BATCH_SIZE, epochs=1,
verbose=VERBOSITY, class_weight=class_weight)
print('.', end='', flush=True)
else:
appraisal_predictor.fit(text_instances_padded[train], appraisals[train],
batch_size=BATCH_SIZE, epochs=EPOCHS_A,
verbose=VERBOSITY, class_weight=class_weight)
if (args.continous == False):
# weights = [0.55, 0.65, 0.48, 0.3, 0.425, 0.4, 0.45] # Some experimental settings
weights = [0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50]
test_instances = text_instances_padded[test]
preds = appraisal_predictor.predict(test_instances)
results = []
for row in range(len(preds)):
res = []
for dim in range(len(APPRAISALS)):
value = preds[row][dim]
if (value >= weights[dim]):
value = 1
else:
value = 0
res.append(value)
results.append(res)
appraisal_predictions = np.array(results)
else:
test_instances = text_instances_padded[test]
appraisal_test = appraisals[test]
preds = appraisal_predictor.predict(test_instances)
# for i in range(len(preds)):
# print('\n Predicted:', preds[i])
# print(' Correct: ', appraisal_test[i])
appraisal_predictions = np.array(preds)
####################################################################
# Task 2 : Learn to predict emotions from appraisals
####################################################################
print('\nINFO: Learning to predict emotions from appraisals...')
emotion_predictor = shallowNN_emotions_from_dimensions(
len(APPRAISALS), CONV_FILTERS, DROPOUT, LABELS, 'softmax')
emotion_predictor.compile(OPTIMIZER, 'categorical_crossentropy', metrics=['accuracy'])
# vectors_shaped = np.expand_dims(vectors[train], axis=2)
if (args.quiet):
for _ in range(EPOCHS_E):
emotion_predictor.fit(appraisals[train], emotions_train,
batch_size=BATCH_SIZE, epochs=1,
verbose=VERBOSITY)
print('.', end='', flush=True)
else:
emotion_predictor.fit(appraisals[train], emotions_train,
batch_size=BATCH_SIZE, epochs=EPOCHS_E,
verbose=VERBOSITY)
# Predict emotions based on appraisal predictions
predicted_emotions = []
# results = np.expand_dims(results, axis=2)
emotions_predictions = emotion_predictor.predict(appraisal_predictions)
for i in range(len(emotions_predictions)):
index = np.argmax(emotions_predictions[i])
predicted_emotions.append(LABELS[index])
# Show results
print('\n\nINFO: Evaluating CV-fold...')
metrics_fold = metrics.metrics(y_data_emotion[test], predicted_emotions, LABELS, 2)
metrics_fold.showResults()
metrics_final.addIntermediateResults(y_data_emotion[test], predicted_emotions)
metrics_final.showResults()
metrics_final.showConfusionMatrix(False)
def performCrossValidation(x_data, y_data):
metrics_final = metrics.metrics(None, None, LABELS, 2)
TP_total = 0
size_total = 0
percentage_done = 0
for seed in range(ROUNDS):
np.random.seed(seed)
# Create baseline model weights
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
print('Training Baseline model %i/%i' %
(percentage_done + 1, KFOLDS * ROUNDS))
from keras import backend as K
K.clear_session()
# tf.reset_default_graph()
classes_train = pd.concat(
[y_data[train], pd.get_dummies(y_data[train])],
axis=1).drop(['Prior_Emotion'], axis=1)
classes_test = pd.concat(
[y_data[test], pd.get_dummies(y_data[test])],
axis=1).drop(['Prior_Emotion'], axis=1)
text_to_emotion_model = text_cnn_model_baseline(
MAX_SEQUENCE_LENGTH, vocab_size, EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS, embedding_matrix, DROPOUT, LABELS, 'softmax')
text_to_emotion_model.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
text_to_emotion_model.fit(x_data[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_text_to_emotion,
verbose=VERBOSITY)
text_to_emotion_model.save('saved_models/baseline_' +
str(percentage_done))
percentage_done += 1
percentage_done = 0
for seed in range(ROUNDS):
np.random.seed(seed)
# Create pipeline model weights
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
print('Training Pipeline model %i/%i' %
(percentage_done + 1, KFOLDS * ROUNDS))
from keras import backend as K
K.clear_session()
# tf.reset_default_graph()
classes_train = pd.concat(
[y_data[train], pd.get_dummies(y_data[train])],
axis=1).drop(['Prior_Emotion'], axis=1)
classes_test = pd.concat(
[y_data[test], pd.get_dummies(y_data[test])],
axis=1).drop(['Prior_Emotion'], axis=1)
appraisal_emotion_predictor = shallowNN_emotions_from_dimensions(
len(DIMENSIONS), LAYER_DIM, DROPOUT, LABELS, 'softmax')
appraisal_emotion_predictor.compile(OPTIMIZER,
'categorical_crossentropy',
metrics=['accuracy'])
# vectors_shaped = np.expand_dims(vectors[train], axis=2)
appraisal_emotion_predictor.fit(vectors[train],
classes_train,
batch_size=BATCH_SIZE,
epochs=EPOCHS_p1,
verbose=VERBOSITY)
# Save weights
appraisal_emotion_predictor.save('saved_models/dim_to_emotion_' +
str(percentage_done))
input_shape = sentence_enISEAR.shape[1] # feature count
model = text_cnn_model_appraisals(MAX_SEQUENCE_LENGTH, vocab_size,
EMBEDDING_DIMS, FILTER_SIZE,
CONV_FILTERS,
embedding_matrix, DROPOUT,
len(DIMENSIONS), 'sigmoid')
model.compile(OPTIMIZER,
'binary_crossentropy',
metrics=['accuracy'])
# model.fit(data_padded[train], vectors[train], batch_size=BATCH_SIZE, epochs=EPOCHS_p2, verbose=VERBOSITY)
model.fit(x_data[train],
vectors[train],
batch_size=BATCH_SIZE,
epochs=EPOCHS_p2,
verbose=VERBOSITY,
class_weight=class_weight)
model.save('saved_models/text_to_dim_' + str(percentage_done))
percentage_done += 1
percentage_done = 0
for seed in range(ROUNDS):
np.random.seed(seed)
# Evaluate models
kfold = KFold(n_splits=KFOLDS, shuffle=True, random_state=seed)
for train, test in kfold.split(x_data, y_data):
print(
'\n\n############################################################'
)
print('Evaluating fold %i/%i in run %i/%i' %
((percentage_done + 1) % 10, KFOLDS, seed + 1, ROUNDS))
print(
'############################################################')
from keras import backend as K
K.clear_session()
tf.reset_default_graph()
classes_train = pd.concat(
[y_data[train], pd.get_dummies(y_data[train])],
axis=1).drop(['Prior_Emotion'], axis=1)
classes_test = pd.concat(
[y_data[test], pd.get_dummies(y_data[test])],
axis=1).drop(['Prior_Emotion'], axis=1)
# Load the baseline model weights
text_to_emotion_model = load_model('saved_models/baseline_' +
str(percentage_done))
# Evaluate baseline model
predicted_classes_text_to_emotion = []
predictions = text_to_emotion_model.predict(x_data[test])
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes_text_to_emotion.append(LABELS[index])
# Show results of baseline
print(
'\n############################################################'
)
print('Baseline result:')
print(
'############################################################')
metrics_fold = metrics.metrics(y_data[test],
predicted_classes_text_to_emotion,
LABELS, 2)
metrics_fold.showResults()
# Load appraisal models
appraisal_emotion_predictor = load_model(
'saved_models/dim_to_emotion_' + str(percentage_done))
model = load_model('saved_models/text_to_dim_' +
str(percentage_done))
# Predict Appraisals from ISEAR
weights = [0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5]
preds = model.predict(data_padded[test])
results = []
for row in range(len(preds)):
res = []
for dim in range(len(DIMENSIONS)):
value = preds[row][dim]
if (value >= weights[dim]):
value = 1
else:
value = 0
res.append(value)
results.append(res)
results = np.array(results)
# Predict Emotions based on predicted Appraisals
predicted_classes = []
predictions = appraisal_emotion_predictor.predict(results)
for i in range(len(predictions)):
index = np.argmax(predictions[i])
predicted_classes.append(LABELS[index])
# Show results of pipeline
print(
'\n############################################################'
)
print('Pipeline result:')
print(
'############################################################')
metrics_fold = metrics.metrics(y_data[test], predicted_classes,
LABELS, 2)
metrics_fold.showResults()
# Evaluate models and create oracle 'prediction'
sentences = sentence_enISEAR_raw[test]
classes = classes_enISEAR[test]
TP_text_to_emotion = 0
TP_text_to_appraisal_to_emotion = 0
FN = 0
pred_combined = []
for i in range(len(x_data[test])):
label_gold = classes.iloc[i]
if (label_gold == predicted_classes_text_to_emotion[i]):
# Text based system is correct
TP_text_to_emotion += 1
# green('\n')
# green(i)
# green('Gold-Emotion : ' + label_gold)
# green('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# green('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes_text_to_emotion[i])
elif (label_gold == predicted_classes[i]):
# Appraisal system is correct
TP_text_to_appraisal_to_emotion += 1 # = TN
# yellow('\n')
# yellow(i)
# yellow('Gold-Emotion : ' + label_gold)
# yellow('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# yellow('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes[i])
else:
FN += 1 #
# print('\nGold-Emotion : ' + label_gold)
# print('Prediction T->E : ' + str(predicted_classes_text_to_emotion[i]))
# print('Prediction T->A->E: ' + predicted_classes[i])
pred_combined.append(predicted_classes_text_to_emotion[i])
percentage_done += 1
print('\nPerforming CV... (%2d%%)' % percentage_done)
size = len(predicted_classes)
TP = TP_text_to_emotion + TP_text_to_appraisal_to_emotion
accuracy = (TP / size) * 100
print('Current fold:')
print('Accuracy: %2.2f' % accuracy)
print('Text-to-emotion TP : %2d' % TP_text_to_emotion)
print('Text-to-appr-to-emotion TP : %2d' %
TP_text_to_appraisal_to_emotion)
# Evaluate oracle 'prediction'
metrics_fold = metrics.metrics(y_data[test], pred_combined, LABELS,
2)
print(
'\n############################################################'
)
print('Oracle result:')
print(
'############################################################')
metrics_fold.showResults()
metrics_final.addIntermediateResults(y_data[test], pred_combined)
TP_total += TP
size_total += size
print('\nFinal Result:')
accuracy = ((TP_total) / size_total) * 100
print('Accuracy: %2.2f' % accuracy)
print(TP_total)
print(size_total)
metrics_final.writeResults(EXPERIMENTNAME, SAVEFILE)
metrics_final.createMarkdownResults()
return