def execute(self):
from pandas import read_csv, merge
from os.path import join
from Cleaner import Cleaner
train = read_csv(join(self.directory, 'train.csv'))
store = read_csv(join(self.directory, 'store.csv'))
train = merge(train, store, how='left', on='Store')
train = Cleaner(train)
train.extractDate()
self.trainingSet = train.data
