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Merged
merged 5 commits into from
Dec 20, 2014
Merged

Add basic LSTM tutorial #55

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d788ebc
Add basic LSTM tutorial
carriepl Dec 19, 2014
0624849
Add lstm.doc and update dataset path
carriepl Dec 19, 2014
7d80462
Removed comments
carriepl Dec 19, 2014
33914a6
pep8
carriepl Dec 19, 2014
4bb23cf
pep8 imdb.py
carriepl Dec 19, 2014
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pep8 imdb.py
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@carriepl
carriepl committed Dec 19, 2014
commit 4bb23cfa79cd70239cf6ffb971b2bae231e2c48e
10 changes: 5 additions & 5 deletions code/imdb.py
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Expand Up @@ -9,11 +9,12 @@
import theano
import theano.tensor as T


def prepare_data(seqs, labels, maxlen=None):
# x: a list of sentences
lengths = [len(s) for s in seqs]

if maxlen != None:
if maxlen is not None:
new_seqs = []
new_labels = []
new_lengths = []
Expand All @@ -35,11 +36,12 @@ def prepare_data(seqs, labels, maxlen=None):
x = numpy.zeros((maxlen, n_samples)).astype('int64')
x_mask = numpy.zeros((maxlen, n_samples)).astype('float32')
for idx, s in enumerate(seqs):
x[:lengths[idx],idx] = s
x_mask[:lengths[idx],idx] = 1.
x[:lengths[idx], idx] = s
x_mask[:lengths[idx], idx] = 1.

return x, x_mask, labels


def load_data(path="imdb.pkl", n_words=100000, valid_portion=0.1):
''' Loads the dataset

Expand Down Expand Up @@ -88,5 +90,3 @@ def remove_unk(x):
test = (test_set_x, test_set_y)

return train, valid, test