Research On The Quality Of Residential Sale Price Survey In Heze

Real estate price index is a general index to reflect changes in real estate prices,can effectively measure the housing price level and timely and accurately reflect the degree of change,is an internationally recognized measure of house prices,analyze important indicator of changes in the housing market.In this paper,Heze city commercial housing transaction database based on combining the operating characteristics of the real estate market in Heze,using the normality test,outlier identification method and Dixon correlation analysis of three kinds of methods for data quality inspection of the Heze housing sales price 2012-2015 fixed base index.The different price index,average price,median price and comprehensive comparison of existing index method and 100 city price index method,finally summarizes the current establishment methods,and puts forward the corresponding suggestions for preparation of city residential price index to improve the system to protect and use big data means to broaden the scope of investigation,improvement of data channel release mode.This article mainly from the following aspects:firstly the research on the test of normality,outlier identification method and Dixon correlation analysis of three kinds of methods for data quality inspection of the Heze housing sales price 2012-2015 fixed base index.Secondly is the analysis of the specific problems of Heze housing sales price survey.The thirdly is the comparison of the existing methods of price index and other preparation methods.Fourthly is to explore the Heze housing sales price to improve the quality of statistical data.The final conclusion and suggestion,certain residential price index quality of the existing residential sales price index compilation method of basic stable and reliable,and put forward reasonable suggestions for the Heze housing sales price statistics data quality management.The possible innovation point of the thesis is mainly reflected in the following aspects:The first,based on the authors work,study from the perspective of official statistical data on workers and。Secondly,on factors influencing quality of heze residential sales price survey data analysis.Thirdly,normality tests,outlier identification method and Dixon correlation analysis of three kinds of methods for data quality inspection of the Heze housing sales price 2012-2015 fixed base index.