年份 | 房价真实值(元/) | 组合预测值(元/) | 最优加权预测误差(%) | BP网络预测误差(%) | NAR网络预测误差(%) |
2010 | 5989.28 | 6053.14 | −0.466 | 1.540 | −0.271 |
2011 | 6634.56 | 6630.34 | −0.054 | −0.010 | −0.216 |
2012 | 6821.26 | 6942.83 | −0.482 | 2.275 | 0.391 |
2013 | 7423.00 | 7303.45 | 0.629 | −2.225 | 0.126 |
2014 | 7903.00 | 7797.91 | −1.365 | 0.035 | −5.185 |
2015 | 7948.00 | 7943.43 | 0.013 | −0.071 | −0.020 |
2016 | 9043.00 | 9047.97 | 0.002 | 0.053 | 0.060 |
2017 | 11989.55 | 11985.86 | −0.019 | −0.012 | −0.083 |