We found that the supply of residence is more than the needs in the future in Chengdu by forecasting by regression analysis and estimates of the curve.
本文运用回归分析和曲线估计法对成都市未来的住宅需求进行预测，通过预测，发现未来成都市住宅市场中，住宅供大于求。
In addition, some information of the future value of random disturbance term in regression analysis is delivered by complex model, so that the forecasting accuracy is improved.
并且组合模型进一步给出了回归分析中误差扰动项未来值的一些信息，提高了预测精度。
Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.
提出依据离差绝对值和准则，用目标规划建立多元线性预测方程，该方法优于回归分析。
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