def run_cf_predictions(self):
for uv in self.user_vector_types:
train_ratings_loc = self.directory + self.data_name + '_uv_train_' + uv + '.pkl'
train_ratings = sl.load_from_hadoop(
train_ratings_loc, self.sc).repartition(self.num_partitions)
for cf_pred in self.cf_predictions:
pred_save_loc = self.directory + self.data_name + '_predictions_' + uv + '_' + cf_pred + '.pkl'
if os.path.isdir(pred_save_loc) == False:
print 'Running ' + cf_pred + ' for user vector ' + uv
print pred_save_loc
if cf_pred == 'cf_mllib':
predictions = cf.calc_cf_mllib(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred == 'cf_item':
predictions = cf.calc_item_item_cf(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred == 'cf_user':
predictions = cf.calc_user_user_cf2(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
break
print 'All CF predictions saved'
def run_single_prediction(self, user_vector, content_vector, alg_type):
train_ratings_loc = self.directory + self.data_name + '_uv_train_' + user_vector + '.pkl'
train_ratings = sl.load_from_hadoop(train_ratings_loc, self.sc).repartition(self.num_partitions)
if content_vector:
content_path = self.directory + self.data_name +'_cv_' + content_vector + '.pkl'
content_vect = sl.load_from_hadoop(content_path, self.sc).repartition(self.num_partitions)
print 'Running ' + alg_type + ' for user vector ' + user_vector + ' and content vector ' + content_vector
pred_save_loc = self.directory + self.data_name + '_predictions_' + user_vector + '_' + content_vector + '_' + alg_type + '.pkl'
print pred_save_loc
if alg_type=='cb_vect':
predictions = content_based.predict(train_ratings, content_vect, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cb_kmeans_100':
predictions = content_based_kmeans.predict(train_ratings, content_vect, num_predictions=100, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cb_kmeans_1000':
predictions = content_based_kmeans.predict(train_ratings, content_vect, num_predictions=1000, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
print 'Running ' + alg_type + ' for user vector ' + user_vector
pred_save_loc = self.directory + self.data_name + '_predictions_' + user_vector + '_' + alg_type + '.pkl'
print pred_save_loc
if alg_type=='cf_mllib':
predictions = cf.calc_cf_mllib(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_item':
predictions = cf.calc_item_item_cf(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_user':
predictions = cf.calc_user_user_cf2(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_bayes_map':
predictions = cf.calc_naive_bayes_map(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_bayes_mse':
predictions = cf.calc_naive_bayes_mse(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_bayes_mae':
predictions = cf.calc_naive_bayes_mae(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type=='cf_random':
predictions = random_recommender.predict(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
def run_cf_predictions(self):
for uv in self.user_vector_types:
train_ratings_loc = self.directory + self.data_name + '_uv_train_' + uv + '.pkl'
train_ratings = sl.load_from_hadoop(train_ratings_loc, self.sc).repartition(self.num_partitions)
for cf_pred in self.cf_predictions:
pred_save_loc = self.directory + self.data_name + '_predictions_' + uv + '_' + cf_pred + '.pkl'
if os.path.isdir(pred_save_loc)==False:
print 'Running ' + cf_pred + ' for user vector ' + uv
print pred_save_loc
if cf_pred=='cf_mllib':
predictions = cf.calc_cf_mllib(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred=='cf_item':
predictions = cf.calc_item_item_cf(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred=='cf_user':
predictions = cf.calc_user_user_cf2(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
break
print 'All CF predictions saved'
def run_cf_predictions(self):
for uv in self.user_vector_types:
train_ratings_loc = self.directory + self.data_name + "_uv_train_" + uv + ".pkl"
train_ratings = sl.load_from_hadoop(train_ratings_loc, self.sc).repartition(self.num_partitions)
for cf_pred in self.cf_predictions:
pred_save_loc = self.directory + self.data_name + "_predictions_" + uv + "_" + cf_pred + ".pkl"
if os.path.isdir(pred_save_loc) == False:
print "Running " + cf_pred + " for user vector " + uv
print pred_save_loc
if cf_pred == "cf_mllib":
predictions = cf.calc_cf_mllib(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred == "cf_item":
predictions = cf.calc_item_item_cf(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif cf_pred == "cf_user":
predictions = cf.calc_user_user_cf2(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
break
print "All CF predictions saved"
def run_single_prediction(self, user_vector, content_vector, alg_type):
train_ratings_loc = self.directory + self.data_name + '_uv_train_' + user_vector + '.pkl'
train_ratings = sl.load_from_hadoop(
train_ratings_loc, self.sc).repartition(self.num_partitions)
if content_vector:
content_path = self.directory + self.data_name + '_cv_' + content_vector + '.pkl'
content_vect = sl.load_from_hadoop(
content_path, self.sc).repartition(self.num_partitions)
print 'Running ' + alg_type + ' for user vector ' + user_vector + ' and content vector ' + content_vector
pred_save_loc = self.directory + self.data_name + '_predictions_' + user_vector + '_' + content_vector + '_' + alg_type + '.pkl'
print pred_save_loc
if alg_type == 'cb_vect':
predictions = content_based.predict(
train_ratings,
content_vect,
num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cb_kmeans_100':
predictions = content_based_kmeans.predict(
train_ratings,
content_vect,
num_predictions=100,
num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cb_kmeans_1000':
predictions = content_based_kmeans.predict(
train_ratings,
content_vect,
num_predictions=1000,
num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
print 'Running ' + alg_type + ' for user vector ' + user_vector
pred_save_loc = self.directory + self.data_name + '_predictions_' + user_vector + '_' + alg_type + '.pkl'
print pred_save_loc
if alg_type == 'cf_mllib':
predictions = cf.calc_cf_mllib(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_item':
predictions = cf.calc_item_item_cf(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_user':
predictions = cf.calc_user_user_cf2(
train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_bayes_map':
predictions = cf.calc_naive_bayes_map(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_bayes_mse':
predictions = cf.calc_naive_bayes_mse(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_bayes_mae':
predictions = cf.calc_naive_bayes_mae(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == 'cf_random':
predictions = random_recommender.predict(
train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
def run_single_prediction(self, user_vector, content_vector, alg_type):
train_ratings_loc = self.directory + self.data_name + "_uv_train_" + user_vector + ".pkl"
train_ratings = sl.load_from_hadoop(train_ratings_loc, self.sc).repartition(self.num_partitions)
if content_vector:
content_path = self.directory + self.data_name + "_cv_" + content_vector + ".pkl"
content_vect = sl.load_from_hadoop(content_path, self.sc).repartition(self.num_partitions)
print "Running " + alg_type + " for user vector " + user_vector + " and content vector " + content_vector
pred_save_loc = (
self.directory
+ self.data_name
+ "_predictions_"
+ user_vector
+ "_"
+ content_vector
+ "_"
+ alg_type
+ ".pkl"
)
print pred_save_loc
if alg_type == "cb_vect":
predictions = content_based.predict(train_ratings, content_vect, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cb_kmeans_100":
predictions = content_based_kmeans.predict(
train_ratings, content_vect, num_predictions=100, num_partitions=self.num_partitions
)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cb_kmeans_1000":
predictions = content_based_kmeans.predict(
train_ratings, content_vect, num_predictions=1000, num_partitions=self.num_partitions
)
sl.save_to_hadoop(predictions, pred_save_loc)
else:
print "Running " + alg_type + " for user vector " + user_vector
pred_save_loc = self.directory + self.data_name + "_predictions_" + user_vector + "_" + alg_type + ".pkl"
print pred_save_loc
if alg_type == "cf_mllib":
predictions = cf.calc_cf_mllib(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_item":
predictions = cf.calc_item_item_cf(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_user":
predictions = cf.calc_user_user_cf2(train_ratings, num_partitions=self.num_partitions)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_bayes_map":
predictions = cf.calc_naive_bayes_map(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_bayes_mse":
predictions = cf.calc_naive_bayes_mse(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_bayes_mae":
predictions = cf.calc_naive_bayes_mae(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)
elif alg_type == "cf_random":
predictions = random_recommender.predict(train_ratings, self.sc)
sl.save_to_hadoop(predictions, pred_save_loc)