def display_wrong_preds(self, splitClf, devX, devy):
add_dict = {
0: '0, No additional grammar role',
1: '1, Appositional modifier',
2: '2, Noun compound modifier',
}
if splitClf.usepytorch:
clf = MLP(splitClf.classifier_config,
inputdim=splitClf.featdim,
nclasses=splitClf.nclasses,
l2reg=0.0001,
seed=splitClf.seed,
cudaEfficient=splitClf.cudaEfficient)
clf.optim = splitClf.config['optim']
clf.epoch_size = splitClf.config['epoch_size']
print(
f"MLP has epoch size {clf.epoch_size}, optimizer {clf.optim}.")
clf.fit(splitClf.X['train'],
splitClf.y['train'],
validation_data=(splitClf.X['valid'], splitClf.y['valid']))
clf.model.eval()
correct = 0
if not isinstance(devX, torch.cuda.FloatTensor) or clf.cudaEfficient:
devX = torch.FloatTensor(devX).cuda()
devy = torch.LongTensor(devy).cuda()
with torch.no_grad():
Xbatch = devX
ybatch = devy
if clf.cudaEfficient:
Xbatch = Xbatch.cuda()
ybatch = ybatch.cuda()
output = clf.model(Xbatch)
pred = output.data.max(1)[1]
correct += pred.long().eq(ybatch.data.long()).sum().item()
# Randomly display 10 samples, for error analysis
ran_i = np.random.randint(0, len(devX) - 9)
for i in range(ran_i, ran_i + 10):
print(f"Sentence id: {self.task_data['test']['id'][i]}")
tokens = self.task_data['test']['X'][i]
sentence = ' '.join(tokens)
for j in range(len(sentence) // 150 +
1): # Wrap the text manually
print(sentence[150 * j:150 * (j + 1)])
head_index = self.task_data['test']['head'][i]
tail_index = self.task_data['test']['tail'][i]
head = ' '.join(tokens[head_index[0]:head_index[1] + 1])
tail = ' '.join(tokens[tail_index[0]:tail_index[1] + 1])
print(
f"Head: {head} at {head_index}, tail: {tail} at {tail_index}."
)
print(
f"Prediction: {pred[i]}, Actual y: {add_dict[ybatch[i].item()]}. \n"
)
accuracy = 1.0 * correct / len(devX)
print(f"Test Accuracy: {accuracy}.")
def run(self):
logging.info(
'Training {0} with (inner) {1}-fold cross-validation'.format(
self.modelname, self.k))
regs = [10**t for t in range(-5, -1)] if self.usepytorch else \
[2**t for t in range(-2, 4, 1)]
skf = StratifiedKFold(n_splits=self.k, shuffle=True, random_state=1111)
innerskf = StratifiedKFold(n_splits=self.k,
shuffle=True,
random_state=1111)
count = 0
for train_idx, test_idx in skf.split(self.X, self.y):
count += 1
X_train, X_test = self.X[train_idx], self.X[test_idx]
y_train, y_test = self.y[train_idx], self.y[test_idx]
scores = []
for reg in regs:
regscores = []
for inner_train_idx, inner_test_idx in innerskf.split(
X_train, y_train):
X_in_train, X_in_test = X_train[inner_train_idx], X_train[
inner_test_idx]
y_in_train, y_in_test = y_train[inner_train_idx], y_train[
inner_test_idx]
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed)
clf.fit(X_in_train,
y_in_train,
validation_data=(X_in_test, y_in_test))
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(X_in_train, y_in_train)
regscores.append(clf.score(X_in_test, y_in_test))
scores.append(round(100 * np.mean(regscores), 2))
optreg = regs[np.argmax(scores)]
logging.info('Best param found at split {0}: l2reg = {1} \
with score {2}'.format(count, optreg, np.max(scores)))
self.devresults.append(np.max(scores))
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed)
clf.fit(X_train, y_train, validation_split=0.05)
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(X_train, y_train)
yhat = clf.predict(X_test)
if (self.nclasses == 2):
self.f1results.append(round(100 * f1_score(yhat, y_test), 2))
self.testresults.append(round(100 * clf.score(X_test, y_test), 2))
devaccuracy = round(np.mean(self.devresults), 2)
testaccuracy = round(np.mean(self.testresults), 2)
if self.f1results:
testf1 = round(np.mean(self.f1results), 2)
else:
testf1 = None
return devaccuracy, testaccuracy, testf1
def run(self):
print(self.classifier_config)
logging.info('Training {0} with standard validation..'.format(
self.modelname))
regs = [10**t for t in range(-5, -1)] if self.usepytorch else \
[2**t for t in range(-2, 4, 1)]
if self.noreg:
regs = [1e-9 if self.usepytorch else 1e9]
scores = []
for reg in regs:
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
# TODO: Find a hack for reducing nb epoches in SNLI
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
scores.append(
round(100 * clf.score(self.X['valid'], self.y['valid']), 2))
logging.info([('reg:' + str(regs[idx]), scores[idx])
for idx in range(len(scores))])
optreg = regs[np.argmax(scores)]
devaccuracy = np.max(scores)
logging.info('Validation : best param found is reg = {0} with score \
{1}'.format(optreg, devaccuracy))
clf = LogisticRegression(C=optreg, random_state=self.seed)
logging.info('Evaluating...')
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
# TODO: Find a hack for reducing nb epoches in SNLI
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
yhat, yprobs = clf.predict(self.X['test'])
pred = []
probs = []
for i in yprobs:
probs.append(list(i))
print(probs)
for i in yhat:
pred.append(list(i))
print(pred)
testaccuracy = clf.score(self.X['test'], self.y['test'])
testaccuracy = round(100 * testaccuracy, 2)
return devaccuracy, testaccuracy, pred, probs
def run(self):
# cross-validation
logging.info('Training {0} with {1}-fold cross-validation'.format(
self.modelname, self.k))
regs = [10**t for t in range(-5, -1)] if self.usepytorch else \
[2**t for t in range(-1, 6, 1)]
skf = StratifiedKFold(n_splits=self.k,
shuffle=True,
random_state=self.seed)
scores = []
for reg in regs:
scanscores = []
for train_idx, test_idx in skf.split(self.train['X'],
self.train['y']):
# Split data
X_train, y_train = self.train['X'][train_idx], self.train['y'][
train_idx]
X_test, y_test = self.train['X'][test_idx], self.train['y'][
test_idx]
# Train classifier
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed)
clf.fit(X_train, y_train, validation_data=(X_test, y_test))
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(X_train, y_train)
score = clf.score(X_test, y_test)
scanscores.append(score)
# Append mean score
scores.append(round(100 * np.mean(scanscores), 2))
# evaluation
logging.info([('reg:' + str(regs[idx]), scores[idx])
for idx in range(len(scores))])
optreg = regs[np.argmax(scores)]
devaccuracy = np.max(scores)
logging.info('Cross-validation : best param found is reg = {0} \
with score {1}'.format(optreg, devaccuracy))
logging.info('Evaluating...')
if self.usepytorch:
clf = MLP(self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed)
clf.fit(self.train['X'], self.train['y'], validation_split=0.05)
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(self.train['X'], self.train['y'])
yhat = clf.predict(self.test['X'])
testaccuracy = clf.score(self.test['X'], self.test['y'])
testaccuracy = round(100 * testaccuracy, 2)
return devaccuracy, testaccuracy, yhat
def run(self):
logging.info('Training {0} with (inner) {1}-fold cross-validation'
.format(self.modelname, self.k))
regs = [10**t for t in range(-5, -1)] if self.usepytorch else \
[2**t for t in range(-2, 4, 1)]
skf = StratifiedKFold(n_splits=self.k, shuffle=True, random_state=1111)
innerskf = StratifiedKFold(n_splits=self.k, shuffle=True,
random_state=1111)
count = 0
train_idx0, test_idx0=list(skf.split(self.X0, self.y0))[0]
train_idx1, test_idx1=list(skf.split(self.X1, self.y1))[0]
train_idx2, test_idx2=list(skf.split(self.X2, self.y2))[0]
count += 1
X_train0, X_test0 = self.X0[train_idx0],self.X0[test_idx0]
y_train0, y_test0 = self.y0[train_idx0], self.y0[test_idx0]
X_train1, X_test1 = self.X1[train_idx1],self.X1[test_idx1]
y_train1, y_test1 = self.y1[train_idx1],self.y1[test_idx1]
X_train2,X_test2 = self.X2[train_idx2],self.X2[test_idx2]
y_train2, y_test2 = self.y2[train_idx2],self.y2[test_idx2]
scores = []
for reg in regs:
print(len(regs))
regscores = []
isk0=list(innerskf.split(X_train0, y_train0))
isk1=list(innerskf.split(X_train1, y_train1))
isk2=list(innerskf.split(X_train2, y_train2))
n=len(isk0)
#for inner_train_idx, inner_test_idx in innerskf.split(X_train, y_train):
inner_train_idx0, inner_test_idx0=isk0[0]
inner_train_idx1, inner_test_idx1=isk1[0]
inner_train_idx2, inner_test_idx2=isk2[0]
X0_in_train,y0_in_train=X_train0[inner_train_idx0],y_train0[inner_train_idx0]
X1_in_train,y1_in_train=X_train1[inner_train_idx1],y_train1[inner_train_idx1]
X2_in_train,y2_in_train=X_train2[inner_train_idx2],y_train2[inner_train_idx2]
X0_in_test=X_train0[inner_test_idx0]
y0_in_test=y_train0[inner_test_idx0]
X1_in_test,y1_in_test=X_train1[inner_test_idx1],y_train1[inner_test_idx1]
X2_in_test,y2_in_test=X_train2[inner_test_idx2],y_train2[inner_test_idx2]
if self.clf==0:#True:#
if self.usepytorch:
clf = MLP(self.classifier_config, appr=0, inputdim=self.featdim,
nclasses=self.nclasses, precedent_splits=self.precedent_splits,
devothertask=self.devothertask, l2reg=reg, seed=self.seed)
clf.fit(X0_in_train, y0_in_train,X1_in_train, y1_in_train,X2_in_train, y2_in_train,
validation_data=[(X0_in_test, y0_in_test),(X1_in_test, y1_in_test),(X2_in_test, y2_in_test)])
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(X0_in_train, y0_in_train)
else :
clf = MLP(self.classifier_config, appr=0, inputdim=self.featdim,
nclasses=self.nclasses, precedent_splits=self.precedent_splits,
devothertask=self.clf.devothertask, l2reg=reg, seed=self.seed)
clf.model.load_state_dict(self.clf.model.state_dict())
clf.fit(X0_in_train, y0_in_train,X1_in_train, y1_in_train,X2_in_train, y2_in_train,
validation_data=[(X0_in_test, y0_in_test),(X1_in_test, y1_in_test),(X2_in_test, y2_in_test)])
regscores.append((clf.score(X0_in_test, y0_in_test)+clf.score(X1_in_test, y1_in_test)+clf.score(X2_in_test, y2_in_test))/3)
scores.append(round(100*np.mean(regscores), 2))
scores.append(0.77)
optreg = 10**(-5)#regs[np.argmax(scores)]
logging.info('Best param found at split {0}: l2reg = {1} \
with score {2}'.format(count, optreg, np.max(scores)))
self.devresults.append(np.max(scores))
if self.clf==0:#True:#
if self.usepytorch:
clf = MLP(self.classifier_config, appr=1, inputdim=self.featdim,
nclasses=self.nclasses, precedent_splits=self.precedent_splits,
devothertask=self.devothertask, l2reg=optreg, seed=self.seed)
clf.fit(X_train0, y_train0,X_train1, y_train1,X_train2, y_train2, validation_split=0.05)
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(X_train0, y_train0)
print('fail')
else :
clf = MLP(self.classifier_config, appr=1, inputdim=self.featdim,
nclasses=self.nclasses, precedent_splits=self.precedent_splits,
devothertask=self.clf.devothertask, l2reg=optreg, seed=self.seed)
clf.model.load_state_dict(self.clf.model.state_dict())
clf.fit(X_train0, y_train0,X_train1, y_train1,X_train2, y_train2, validation_split=0.05)
self.clf=clf
self.testresults.append(round(100*(self.clf.score(X_test0, y_test0)+self.clf.score(X_test1, y_test1)+self.clf.score(X_test2, y_test2))/3, 2))
print('Test tache 1: ',round(100*(self.clf.score(X_test0, y_test0))))
print('Test tache 2: ',round(100*(self.clf.score(X_test1, y_test1))))
print('Test tache 3: ',round(100*(self.clf.score(X_test2, y_test2))))
devaccuracy = round(np.mean(self.devresults), 2)
testaccuracy = round(np.mean(self.testresults), 2)
return devaccuracy, testaccuracy, self.clf
def run(self):
logging.info('Training {0} with standard validation..'.format(
self.modelname))
regs = [10**t for t in range(-5, -1)] if self.usepytorch else \
[2**t for t in range(-2, 4, 1)]
if self.noreg:
regs = [0.]
scores = []
for reg in regs:
if self.usepytorch:
if self.classifier == 'LogReg':
clf = LogReg(inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
elif self.classifier == 'MLP':
clf = MLP(inputdim=self.featdim,
hiddendim=self.nhid,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
# small hack : SNLI specific
if self.nepoches:
clf.nepoches = self.nepoches
if self.maxepoch:
clf.maxepoch = self.maxepoch
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
scores.append(
round(100 * clf.score(self.X['valid'], self.y['valid']), 2))
logging.info([('reg:' + str(regs[idx]), scores[idx])
for idx in range(len(scores))])
optreg = regs[np.argmax(scores)]
devaccuracy = np.max(scores)
logging.info('Validation : best param found is reg = {0} with score \
{1}'.format(optreg, devaccuracy))
clf = LogisticRegression(C=optreg, random_state=self.seed)
logging.info('Evaluating...')
if self.usepytorch:
if self.classifier == 'LogReg':
clf = LogReg(inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
elif self.classifier == 'MLP':
clf = MLP(inputdim=self.featdim,
hiddendim=self.nhid,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient)
# small hack : MultiNLI/SNLI specific
if self.nepoches:
clf.nepoches = self.nepoches
if self.maxepoch:
clf.maxepoch = self.maxepoch
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
testaccuracy = clf.score(self.X['test'], self.y['test'])
testaccuracy = round(100 * testaccuracy, 2)
return devaccuracy, testaccuracy
def run(self):
logging.info("Training {0} with standard validation..".format(
self.modelname))
regs = ([10**t for t in range(-5, -1)]
if self.usepytorch else [2**t for t in range(-2, 4, 1)])
if self.noreg:
regs = [0.0]
scores = []
for reg in regs:
if self.usepytorch:
clf = MLP(
self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
)
# TODO: Find a hack for reducing nb epoches in SNLI
clf.fit(
self.X["train"],
self.y["train"],
validation_data=(self.X["valid"], self.y["valid"]),
)
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(self.X["train"], self.y["train"])
score = 100 * clf.score(self.X["valid"], self.y["valid"])
scores.append(round(score.item(), 2))
logging.info([("reg:" + str(regs[idx]), scores[idx])
for idx in range(len(scores))])
optreg = regs[np.argmax(scores)]
devaccuracy = np.max(scores)
logging.info("Validation : best param found is reg = {0} with score \
{1}".format(optreg, devaccuracy))
clf = LogisticRegression(C=optreg, random_state=self.seed)
logging.info("Evaluating...")
if self.usepytorch:
clf = MLP(
self.classifier_config,
inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
)
# TODO: Find a hack for reducing nb epoches in SNLI
clf.fit(
self.X["train"],
self.y["train"],
validation_data=(self.X["valid"], self.y["valid"]),
)
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(self.X["train"], self.y["train"])
testaccuracy = clf.score(self.X["test"], self.y["test"])
testaccuracy = round(100 * testaccuracy.item(), 2)
return devaccuracy, testaccuracy
def run(self):
logging.info('Training {0} with standard validation..'.format(
self.modelname))
regs = [10**t for t in range(-5, 6)] if self.usepytorch else \
[2**t for t in range(-2, 4, 1)]
if self.noreg:
regs = [] #[0.]
optreg = 0.
else:
logging.debug("\tStarting to tune regularization")
scores = []
for reg in regs:
if self.usepytorch:
if self.classifier == 'LogReg':
clf = LogReg(inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
train_rank=self.train_rank)
elif self.classifier == 'MLP':
clf = MLP(inputdim=self.featdim,
hiddendim=self.nhid,
nclasses=self.nclasses,
l2reg=reg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
train_rank=self.train_rank)
# small hack : SNLI specific
if self.nepoches:
clf.nepoches = self.nepoches
if self.maxepoch:
clf.maxepoch = self.maxepoch
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=reg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
scores.append(
round(100 * clf.score(self.X['valid'], self.y['valid']), 2))
logging.info([('reg:' + str(regs[idx]), scores[idx])
for idx in range(len(scores))])
if not self.noreg:
optreg = regs[np.argmax(scores)]
devaccuracy = np.max(scores)
logging.info(
'Validation : best param found is reg = {0} with score \
{1}'.format(optreg, devaccuracy))
#clf = LogisticRegression(C=optreg, random_state=self.seed) #??
logging.info('Evaluating...')
if self.usepytorch:
if self.classifier == 'LogReg':
logging.debug("\tCreating log reg classifier")
clf = LogReg(inputdim=self.featdim,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
train_rank=self.train_rank)
elif self.classifier == 'MLP':
logging.debug("\Creating MLP classifier")
clf = MLP(inputdim=self.featdim,
hiddendim=self.nhid,
nclasses=self.nclasses,
l2reg=optreg,
seed=self.seed,
cudaEfficient=self.cudaEfficient,
train_rank=self.train_rank)
# small hack : MultiNLI/SNLI specific
if self.nepoches:
clf.nepoches = self.nepoches
if self.maxepoch:
clf.maxepoch = self.maxepoch
clf.fit(self.X['train'],
self.y['train'],
validation_data=(self.X['valid'], self.y['valid']))
else:
clf = LogisticRegression(C=optreg, random_state=self.seed)
clf.fit(self.X['train'], self.y['train'])
logging.debug("\tFinished training!")
if self.noreg:
devaccuracy = round(
100 * clf.score(self.X['valid'], self.y['valid']), 2)
testaccuracy = clf.score(self.X['test'], self.y['test'])
testaccuracy = round(100 * testaccuracy, 2)
devprobs = clf.predict_proba(self.X['valid'])
testprobs = clf.predict_proba(self.X['test'])
return devaccuracy, testaccuracy, devprobs, testprobs