基于知识发现的商品住宅有效需求趋势预测方法

来源 :系统工程理论与实践 | 被引量 : 0次 | 上传用户:kingboxing
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
给出了影响商品住宅需求趋势的指标体系,并提出基于属性聚类的知识发现算法.该算法以突变级数评价方法进行属性聚类,以基于支持度与可信度的等价矩阵方法进行规则获取,最终获得反映商品住宅的有效需求的变化趋势与其相应的影响因子之间关系的规则,以指导未来的商品住宅需求趋势的预测.
其他文献
目的探讨β-珠蛋白生成障碍性贫血(β-地贫)患者外周血单个核细胞(PBMCs)中B细胞淋巴瘤/白血病11A(BCL11A)基因的表达特点。方法入选35例β-地贫患者为病例组;40例健康体检者
Rayleigh waves have high amplitude, low frequency, and low velocity, which are treated as strong noise to be attenuated in refl ected seismic surveys. This stud
Nuclear magnetic resonance measurements in hydrate-bearing sandstone samples from the Shenhu area, South China Sea were used to study the effect of gas hydrates
Eigenstructure-based coherence attributes are efficient and mature techniques for large-scale fracture detection. However, in horizontally bedded and continuous
Tikhonov regularization (TR) method has played a very important role in the gravity data and magnetic data process. In this paper, the Tikhonov regularization m
We derived an equation for saturation in carbonate reservoirs based on the electrical effi ciency model in the case of lacking core data. Owing to the complex p
提出了一种基于Hilbert-Huang变换和AR模型的滚动轴承故障诊断方法.采用Hilbert-Huang变换将滚动轴承振动信号分解成若干个平稳的IMF(Intrinsic Mode Function)分量,求出每一
The fractional calculus approach in the constitutive relationship model of viscoelastic fluid was introduced. The velocity and temperature fields of the vortex
分析了国防工程设施选址的目标和约束条件,研究建立了建设项目选址多目标决策模型.在MGIS(military geographic information system)中运用叠加模型解决了选址决策空间上可行
 提出一种新颖的非线性时间序列预测模型,即滑动窗口二次自回归(MWDAR)模型.MWDAR模型使用部分的历史数据及其二次项构造自回归模型.模型参数用线性最小二乘法估计.应用模型