def load_data(self, debug=False):
"""Loads starter word-vectors and train/dev/test data."""
# Load the starter word vectors
self.wv, word_to_num, num_to_word = ner.load_wv(
'data/ner/vocab.txt', 'data/ner/wordVectors.txt')
tagnames = ['O', 'LOC', 'MISC', 'ORG', 'PER']
self.num_to_tag = dict(enumerate(tagnames))
tag_to_num = {v:k for k,v in self.num_to_tag.iteritems()}
# Load the training set
docs = du.load_dataset('data/ner/train')
self.X_train, self.y_train = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_train = self.X_train[:1024]
self.y_train = self.y_train[:1024]
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
self.X_dev, self.y_dev = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
self.X_test, self.y_test = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
def load_data(self, debug=False):
"""Loads starter word-vectors and train/dev/test data."""
# Load the starter word vectors
self.wv, word_to_num, num_to_word = ner.load_wv(
'data/ner/vocab.txt', 'data/ner/wordVectors.txt')
tagnames = ['O', 'LOC', 'MISC', 'ORG', 'PER']
self.num_to_tag = dict(enumerate(tagnames))
tag_to_num = {v: k for k, v in self.num_to_tag.iteritems()}
# Load the training set
docs = du.load_dataset('data/ner/train')
self.X_train, self.y_train = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_train = self.X_train[:1024]
self.y_train = self.y_train[:1024]
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
self.X_dev, self.y_dev = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
self.X_test, self.y_test = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
def load_data(self, debug=False, search=False):
"""Loads starter word-vectors and train/dev/test data."""
# Load the starter word vectors
path_vocab = 'data/ner/vocab.txt'
path_wordVectors = 'data/ner/wordVectors.txt'
path_train = 'data/ner/train'
path_dev = 'data/ner/dev'
path_test = 'data/ner/test.masked'
if search:
currentdir = os.path.dirname(
os.path.abspath(inspect.getfile(inspect.currentframe())))
path_vocab = currentdir + "/" + path_vocab
path_wordVectors = currentdir + "/" + path_wordVectors
path_train = currentdir + "/" + path_train
path_dev = currentdir + "/" + path_dev
path_test = currentdir + "/" + path_test
self.wv, word_to_num, num_to_word = ner.load_wv(
path_vocab, path_wordVectors)
tagnames = ['O', 'LOC', 'MISC', 'ORG', 'PER']
self.num_to_tag = dict(enumerate(tagnames))
tag_to_num = {v: k for k, v in self.num_to_tag.iteritems()}
# Load the training set
docs = du.load_dataset(path_train)
self.X_train, self.y_train = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_train = self.X_train[:1024]
self.y_train = self.y_train[:1024]
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset(path_dev)
self.X_dev, self.y_dev = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
# Load the test set (dummy labels only)
docs = du.load_dataset(path_test)
self.X_test, self.y_test = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
def load_data_as_sentences(path, word_to_num):
"""
Converts the training data to an array of integer arrays.
args:
path: string pointing to the training data
word_to_num: A dictionary from string words to integers
returns:
An array of integer arrays. Each array is a sentence and each
integer is a word.
"""
docs_data = du.load_dataset(path)
S_data = du.docs_to_indices(docs_data, word_to_num)
return docs_data, S_data
def load_data(self, debug=False):
self.wv, word_to_num, num_to_word = ner.load_wv(
'data/ner/vocab.txt', 'data/ner/wordVectors.txt')
tagnames = ['O', 'LOC', 'MISC', 'ORG', 'PER']
self.num_to_tag = dict(enumerate(tagnames))
tag_to_num = {v: k for k, v in self.num_to_tag.iteritems()}
docs = du.load_dataset('data/ner/train')
self.X_train, self.y_train = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_train = self.X_train[:1024]
self.Y_train = self.Y_train[:1024]
docs = du.load_dataset('data/ner/dev')
self.X_dev, self.y_dev = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
docs = du.load_dataset('data/ner/test.masked')
self.X_test, self.y_test = du.docs_to_windows(
docs, word_to_num, tag_to_num, wsize=self.config.window_size)
def load_data(self, debug=False):
self.wv, word2num, num2word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
self.wv = self.wv.astype(np.float32)
tags = ["O", "LOC", "MISC", "ORG", "PER"]
self.num2tag = dict(enumerate(tags))
tag2num = dict(zip(self.num2tag.values(), self.num2tag.keys()))
docs = du.load_dataset('data/ner/train')
self.X_train, self.y_train = du.docs_to_windows(
docs, word2num, tag2num, wsize=self.config.window_size)
if debug:
self.X_train = self.X_train[:1024]
self.y_train = self.y_train[:1024]
docs = du.load_dataset('data/ner/dev')
self.X_dev, self.y_dev = du.docs_to_windows(
docs, word2num, tag2num, wsize=self.config.window_size)
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
docs = du.load_dataset('data/ner/test.masked')
self.X_test, self.y_test = du.docs_to_windows(
docs, word2num, tag2num, wsize=self.config.window_size)
class EssayGraderModel(Model):
def load_data(self, debug=False):
"""Loads starter word-vectors and train/dev/test data."""
# Load the starter word vectors
self.num_uniquewords #to recieve
# Load the training set
self.X_train, self.y_train #to receive
if debug:
self.X_train = self.X_train[:1024]
self.y_train = self.y_train[:1024]
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
self.X_dev, self.y_dev = #to receive
if debug:
self.X_dev = self.X_dev[:1024]
self.y_dev = self.y_dev[:1024]
# Load the test set (dummy labels only)
self.X_test, self.y_test #to receive
import data_utils.utils as du
import data_utils.ner as ner
# Load the starter word vectors
wv, word_to_num, num_to_word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
tagnames = ["O", "LOC", "MISC", "ORG", "PER"]
num_to_tag = dict(enumerate(tagnames))
tag_to_num = du.invert_dict(num_to_tag)
# Set window size
windowsize = 3
# Load the training set
docs = du.load_dataset('data/ner/train')
X_train, y_train = du.docs_to_windows(docs,
word_to_num,
tag_to_num,
wsize=windowsize)
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
X_dev, y_dev = du.docs_to_windows(docs,
word_to_num,
tag_to_num,
wsize=windowsize)
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
X_test, y_test = du.docs_to_windows(docs,
word_to_num,
# Load the vocabulary
vocab = pd.read_table(
"data/lm/vocab.ptb.txt",
header=None,
sep="\s+",
index_col=0,
names=['count', 'freq'],
)
# Choose how many top words to keep
vocabsize = 2000
num_to_word = dict(enumerate(vocab.index[:vocabsize]))
word_to_num = du.invert_dict(num_to_word)
# Load the training set
docs_train = du.load_dataset('data/lm/ptb-train.txt')
S_train = du.docs_to_indices(docs_train, word_to_num)
docs_dev = du.load_dataset('data/lm/ptb-dev.txt')
S_dev = du.docs_to_indices(docs_dev, word_to_num)
def train_ngrams(dataset):
"""
Gets an array of arrays of indexes, each one corresponds to a word.
Returns trigram, bigram, unigram and total counts.
"""
trigram_counts = dict()
bigram_counts = dict()
unigram_counts = dict()
token_count = 0
### YOUR CODE HERE
import itertools
from numpy import *
from multiprocessing import Pool
import random as rdm
random.seed(10)
wv, word_to_num, num_to_word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
tagnames = ["O", "LOC", "MISC", "ORG", "PER"]
num_to_tag = dict(enumerate(tagnames))
tag_to_num = du.invert_dict(num_to_tag)
windowsize = 3
docs = du.load_dataset('data/ner/train')
X_train, y_train = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
docs = du.load_dataset('data/ner/dev')
X_dev, y_dev = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
docs = du.load_dataset('data/ner/test.masked')
X_test, y_test = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
nepoch = 5
N = nepoch * len(y_train)
k = 5 # minibatch size
schedules = ["epoch", "N", "mini_batch"]
sche_params = []
for sche_name in schedules:
random.seed(10)
print random_weight_matrix(3,5)
# Load the starter word vectors
wv, word_to_num, num_to_word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
# wv - matrix with word vectors N x D
tagnames = ["O", "LOC", "MISC", "ORG", "PER"]
num_to_tag = dict(enumerate(tagnames))
tag_to_num = du.invert_dict(num_to_tag)
windowsize = 3
# Load the training set
docs = du.load_dataset('data/ner/train') # [[sentence1 = [w1, tag1], [w2, tag2]...], [sentence2], ...]
X_train, y_train = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
print "Shape of data X = %s y = %s" % (X_train.shape, y_train.shape)
print X_train[0:3], y_train[0:3]
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
X_dev, y_dev = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
X_test, y_test = du.docs_to_windows(docs, word_to_num, tag_to_num, wsize=windowsize)
# To avoid re-inventing the wheel, we provide a base class that handles a lot of the drudgery of
# managing parameters and running gradient descent. It's based on the classifier API used by
vocabsize = 6000
num_to_word = dict(enumerate(vocab.index[:vocabsize]))
word_to_num = du.invert_dict(num_to_word)
fraction_lost = float(
sum([
vocab['count'][word] for word in vocab.index
if (not word in word_to_num) and (not word == "UUUNKKK")
]))
fraction_lost /= sum([
vocab['count'][word] for word in vocab.index if (not word == "UUUNKKK")
])
print "Retained %d words from %d (%.02f%% of all tokens)" % (
vocabsize, len(vocab), 100 * (1 - fraction_lost))
docs = du.load_dataset('data/lm/ptb-train.txt')
S_train = du.docs_to_indices(docs, word_to_num)
X_train, Y_train = du.seqs_to_lmXY(S_train)
docs = du.load_dataset('data/lm/ptb-dev.txt')
S_dev = du.docs_to_indices(docs, word_to_num)
X_dev, Y_dev = du.seqs_to_lmXY(S_dev)
docs = du.load_dataset('data/lm/ptb-test.txt')
S_test = du.docs_to_indices(docs, word_to_num)
X_test, Y_test = du.seqs_to_lmXY(S_test)
#print " ".join(d[0] for d in docs[7])
#print " ".join(num_to_word[i] for i in S_test[7])
#For random samples from N(mu, sigma^2), use:
return new
if __name__ == "__main__":
# Load the vocabulary
vocab = pd.read_table("data/dictionary", header=None, sep="\s+",
index_col=0, names=['count', 'freq'], )
# Choose how many top words to keep
vocabsize = len(vocab)
print 'vocabulary size %d' % vocabsize
#vocabsize = 2000
num_to_word = dict(enumerate(vocab.index[:vocabsize]))
word_to_num = du.invert_dict(num_to_word)
print 'load dictionary done'
docs = du.load_dataset('data/rnn_input_train')
S_train = du.docs_to_indices(docs, word_to_num)
X_train, Y_train = du.seqs_to_lmXY(S_train)
docs = du.load_dataset('data/rnn_input_test')
S_train = du.docs_to_indices(docs, word_to_num)
X_dev, Y_dev = du.seqs_to_lmXY(S_train)
#X_train = X_train[:3000]
#Y_train = Y_train[:3000]
print 'load data done'
print 'number of training data %d' % len(Y_train)
method = "RNNPTONE"
hdim = 40 # dimension of hidden layer = dimension of word vectors
#random.seed(10)
nepoch = 1
vocab = pd.read_table("data/lm/vocab.ptb.txt", header=None, sep="\s+", index_col=0, names=["count", "freq"])
# Choose how many top words to keep
vocabsize = 2000
num_to_word = dict(enumerate(vocab.index[:vocabsize]))
word_to_num = du.invert_dict(num_to_word)
##
# Below needed for 'adj_loss': DO NOT CHANGE
fraction_lost = float(
sum([vocab["count"][word] for word in vocab.index if (not word in word_to_num) and (not word == "UUUNKKK")])
)
fraction_lost /= sum([vocab["count"][word] for word in vocab.index if (not word == "UUUNKKK")])
print "Retained %d words from %d (%.02f%% of all tokens)" % (vocabsize, len(vocab), 100 * (1 - fraction_lost))
# Load the training set
docs = du.load_dataset("data/lm/ptb-train.txt")
S_train = du.docs_to_indices(docs, word_to_num)
X_train, Y_train = du.seqs_to_lmXY(S_train)
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset("data/lm/ptb-dev.txt")
S_dev = du.docs_to_indices(docs, word_to_num)
X_dev, Y_dev = du.seqs_to_lmXY(S_dev)
# Load the test set (final evaluation only)
docs = du.load_dataset("data/lm/ptb-test.txt")
S_test = du.docs_to_indices(docs, word_to_num)
X_test, Y_test = du.seqs_to_lmXY(S_test)
# Display some sample data
print " ".join(d[0] for d in docs[7])
# Choose how many top words to keep
vocabsize = 2000
num_to_word = dict(enumerate(vocab.index[:vocabsize]))
word_to_num = du.invert_dict(num_to_word)
##
# Below needed for 'adj_loss': DO NOT CHANGE
fraction_lost = float(sum([vocab['count'][word] for word in vocab.index
if (not word in word_to_num)
and (not word == "UUUNKKK")]))
fraction_lost /= sum([vocab['count'][word] for word in vocab.index
if (not word == "UUUNKKK")])
print "Retained %d words from %d (%.02f%% of all tokens)" % (vocabsize, len(vocab),
100*(1-fraction_lost))
# Load the training set
docs = du.load_dataset('data/lm/ptb-train.txt')
S_train = du.docs_to_indices(docs, word_to_num)
X_train, Y_train = du.seqs_to_lmXY(S_train)
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/lm/ptb-dev.txt')
S_dev = du.docs_to_indices(docs, word_to_num)
X_dev, Y_dev = du.seqs_to_lmXY(S_dev)
# Load the test set (final evaluation only)
docs = du.load_dataset('data/lm/ptb-test.txt')
S_test = du.docs_to_indices(docs, word_to_num)
X_test, Y_test = du.seqs_to_lmXY(S_test)
# Display some sample data
#print " ".join(d[0] for d in docs[7])
def main():
# Load the starter word vectors
wv, word_to_num, num_to_word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
tagnames = ["O", "LOC", "MISC", "ORG", "PER"]
num_to_tag = dict(enumerate(tagnames))
tag_to_num = du.invert_dict(num_to_tag)
# Set window size
windowsize = 3
# Load the training set
docs = du.load_dataset('data/ner/train')
X_train, y_train = du.docs_to_windows(docs,
word_to_num,
tag_to_num,
wsize=windowsize)
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
X_dev, y_dev = du.docs_to_windows(docs,
word_to_num,
tag_to_num,
wsize=windowsize)
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
X_test, y_test = du.docs_to_windows(docs,
word_to_num,
tag_to_num,
wsize=windowsize)
clf = WindowMLP(wv,
windowsize=windowsize,
dims=[None, 100, 5],
reg=0.001,
alpha=0.01)
train_size = X_train.shape[0]
"""
costs = pickle.load(open("costs.dat", "rb"))
clf = pickle.load(open("clf.dat", "rb"))
"""
nepoch = 5
N = nepoch * len(y_train)
k = 5 # minibatch size
costs = clf.train_sgd(X_train,
y_train,
idxiter=random_mini(k, N, train_size),
printevery=10000,
costevery=10000)
pickle.dump(clf, open("clf.dat", "wb"))
pickle.dump(costs, open("costs.dat", "wb"))
plot_learning_curve(clf, costs)
# Predict labels on the dev set
yp = clf.predict(X_dev)
# Save predictions to a file, one per line
ner.save_predictions(yp, "dev.predicted")
full_report(y_dev, yp, tagnames) # full report, helpful diagnostics
eval_performance(y_dev, yp, tagnames) # performance: optimize this F1
# L: V x 50
# W[:,50:100]: 100 x 50
responses = clf.sparams.L.dot(clf.params.W[:, 50:100].T) # V x 100
index = np.argsort(responses, axis=0)[::-1]
neurons = [1, 3, 4, 6, 8] # change this to your chosen neurons
for i in neurons:
print "Neuron %d" % i
top_words = [num_to_word[k] for k in index[:10, i]]
top_scores = [responses[k, i] for k in index[:10, i]]
print_scores(top_scores, top_words)
# In[4]:
# Load the starter word vectors
wv, word_to_num, num_to_word = ner.load_wv('data/ner/vocab.txt',
'data/ner/wordVectors.txt')
#wv:(100232,50)
#word_to_num:dict,100232
tagnames = ["O", "LOC", "MISC", "ORG", "PER"]
num_to_tag = dict(enumerate(tagnames))
tag_to_num = du.invert_dict(num_to_tag)
# Set window size
windowsize = 3
# Load the training set
docs = du.load_dataset('data/ner/train')
X_train, y_train = du.docs_to_windows(docs, word_to_num, tag_to_num,
wsize=windowsize)
# Load the dev set (for tuning hyperparameters)
docs = du.load_dataset('data/ner/dev')
X_dev, y_dev = du.docs_to_windows(docs, word_to_num, tag_to_num,
wsize=windowsize)
# Load the test set (dummy labels only)
docs = du.load_dataset('data/ner/test.masked')
X_test, y_test = du.docs_to_windows(docs, word_to_num, tag_to_num,
wsize=windowsize)
# In[5]:
