start_train = pd.to_datetime("2013-01-01") end_train = pd.to_datetime("2015-06-14") df_train = df2.loc[start_train:end_train]
start_train = pd.to_datetime("2013-01-01") end_train = pd.to_datetime("2015-06-14") df_train = df2.loc[start_train:end_train]

