import sklearn.linear_model as lm
X = CBE.loc[:'1989-12-31', ['Month_Cnt', 'Month_Cnt2', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']].values
Y = CBE.loc[:'1989-12-31', 'elec_log'].values
lm_mod = lm.LinearRegression(fit_intercept = False)