The Establishment And Application Of Residential Price Evaluation Model

In recent years,with the rapid development of economy,people's living standard has improved step by step,real estate as the pillar industry of national economy involves a variety of economic activity is becoming more and more frequent,the residential real estate market is particularly active,such as real estate purchase,tax,levy,mortgage,etc,and because of the housing consumption in the consumer's proportion in the total in the first place,so the accurate and efficient evaluation of real estate value is got more and more attention of departments and individuals.The traditional valuation model,not only cost a lot of manpower and material resources,financial resources,and assess the efficiency is relatively low,it can't evaluate a large number of real estate at the same time,so it will be replaced by mass appraisal gradually.In this paper,through the study on the establishment and application of mass appraisal model at home and abroad for reference,the successful cases of experience and technology route of the study,detailed introduces the new civilian residential property prices of batch process of establishment and application of evaluation model.Research methods of literature reading method,field survey method,ArcGIS geographic technology analysis and SPSS multiple regression analysis,etc.First,a large number of collecting and reading references at home and abroad,to know about the mass appraisal model was established in the domestic and overseas research status,and the successful cases,grasp the concepts related to the mass appraisal model and the development process of the establishment and application mass appraisal,and compared it with the differences between the traditional evaluation model and advantage,familiar with the core of the mass appraisal model working content and working procedure,explore suitable for modeling method and the way of the study.Secondly,the building process of the batch evaluation model is described in detail in the urban area of Xinmin.First,the section of the section was divided,and the basic information of the residence was investigated in accordance with the survey form prepared.Collect case data through online survey case prices and on-site visits to the sales center,etc.Set up the standard room,through the market extraction method,the Delphi method to establish orientation,door,floor,side room,period,factors such as the system of correction factor correction system(class B);Classifying and organizing information,and the export of the ArcGIS geographic information system to the information data associated with geographic location and distance;Standard room price with ArcGIS exported to quantify the various factors of numerical together into the SPSS statistical analysis software,such as model building,over and over again for the model calibration and related inspection,the final model through various test,get the Xinmin city residential property prices mass appraisal model:Y=2788.476+85.141×Building grade correction factor+51.407×Land level correction factor+1599.514×Age correction factor+16.521 ×Correction factor+34.908×Primary correction factor-160.613×Shantytown correction factor,model are verified through the application instance of economic significance and practical significance.Finally,in the establishment and application of the mass appraisal model,summarized the need to improve and improve local and summary,and reasonable planning on the scope of its application and prospect,the complete mass appraisal model,cooperate with the late information data updated in real time,the results are due in Xinmin city residential purchase decision,tax,levy,mortgage,and developers such as each link is very helpful,this study took the small and medium-sized cities of Liaoning province in the first step on the mass appraisalresearch.The results of the study will do mass appraisal model for other similar cities in Liaoning province research provide reference and reference,but also convenient for many departments of efficient,fast,low cost to carry out the corresponding work,the study has practical significance and economic significance.