def get_data_(train_limit, AuthorProc, DataProc, labels_enc_with_data,
encoder_size):
tr, te = import_data()
# cross_val_predict (test_sklearnclassifier) does the train/test/cv split
# internally
text = list(tr.text) + list(te.text)
author = list(tr.author) + list(te.author)
label_enc = AuthorProc()
data_enc = DataProc(encoder_size=encoder_size)
if train_limit == None:
train_limit = len(text)
y = label_enc.fit_transform(author[:train_limit])
if labels_enc_with_data:
X, y = zip(*data_enc.fit_transform(text[:train_limit], y))
else:
X = data_enc.fit_transform(text[:train_limit])
return (X, y)
sens = self.pipeline_factory(x)
sens = list(sens)
features = np.array([self.get_features(s) for s in sens])
features = (features - self.means) / self.devs
out = self.svm.predict(features)
return out
myc = []
if __name__ == '__main__':
tr, te = import_data()
author_enum = {'HPL': 0, 'EAP': 1, 'MWS': 2}
classed_auths = [author_enum[a] for a in tr.author]
myc = ProbabilisticSVMClassifier(beta_method=True,
stem=True,
lemma=True,
n_jobs=3,
kernel='rbf')
y_train_pred = cross_val_predict(myc,
tr.text,
classed_auths,
cv=3,
import matplotlib.pyplot as plt
import numpy as np
# noinspection PyUnresolvedReferences
from mpl_toolkits.mplot3d import Axes3D
from sklearn.decomposition import KernelPCA
from sklearn.feature_extraction.text import CountVectorizer
from data.import_data import import_data
train, ts = import_data()
# Storing the entire training text in a list
text = list(train.text.values)
authors = np.array(list(train.author.values))
tf_vectorizer = CountVectorizer(
max_df=0.95,
min_df=2,
# stop_words='english',
decode_error='ignore')
tf = tf_vectorizer.fit_transform(text)
# print(tf)
rbf_pca = KernelPCA(n_components=3, kernel="sigmoid", gamma=0.04)
x_reduced = rbf_pca.fit_transform(tf)
# print(x_reduced)
fig = plt.figure()
def do_import_data(request):
settings = request.registry.settings
dbmaker = request.registry.dbmaker
db_session = dbmaker()
import_data(settings, db_session)
return u'Importing Data...'