| With the deepening of reform and opening up,the real estate industry has also achieved breakthrough development,which has gradually strengthened the real estate appraisal industry.Because the real estate appraisal industry development too fast,the use of comparative method to evaluate real estate when there are no breakthrough,such as contrasting case selection and assessment of real estate situation will need to rely on the experience of the appraiser to evaluate,the accuracy of the assessment results,there are a lot of problems.When evaluators in transaction date adjustment,they tend to think that real estate prices this month won't have too big fluctuations,so they won't consider trading date influence on real estate prices,almost no real estate appraiser transaction date modified.In recent years,the real estate assessment started on the basis of large data,collecting a large number of real estate appraisal case to establish real estate evaluation platform,it can effectively improve the accuracy of the price of real estate appraisal from multiple aspects.Paper from the application of scattered data index of baidu keyword research,combined with the real estate price,trying to construct a scientific and effective model,and verify whether Internet search index can effectively measure the real estate prices.First,as information develops faster and faster,many consumers are used to searching information on the Internet,and there is a close relationship between baidu's search index and real estate price.With the view of economics,real estate price fluctuations are caused by the change of supply and demand,the change of supply and demand is determined by the consumers' income and personal preference,but these reasons are able to find after the search index data support;Secondly,when studying the property characteristics,if the weight is taken into account and the weight is not properly determined,there may be a large error in the selection of the appraisal cases.Therefore,the introduction of proper weight to property characteristics will make the selection of comparable cases more scientific and reasonable.Thirdly,appraisers usually carry subjective judgments in the evaluation of real estate.Therefore,the selection of comparable cases from the quantitative level can improve the accuracy of real estate appraisal.Fourth,based on the index of the network,can effectively reduce the error of the real estate appraisal,the adjustment than traditional transaction date is more reasonable,can be evaluation results more close to the real estate market price. |
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