| in1 | in2 | in3 | in4 | |
x1 | 食品消费支出 | −0.00037537 | −0.001732627 | −0.018682253 | −0.001907353 |
x2 | 衣着消费支出 | 0.0110249765 | 0.0489622146 | 0.0867915089 | −0.066994351 |
x3 | 居住消费支出 | 0.0003566021 | −0.004710712 | 0.0118377441 | −0.015934232 |
x4 | 家庭设备消费支出 | −0.004748903 | −0.017691317 | −0.040583668 | 0.1237508819 |