Can restore the truth of house price by copying the data of network sign

The National Statistics Bureau 25th released the "Residential Sales price survey programme" for public comment. The draft requires 35 large and medium-sized cities will directly use the local real estate management department of the network sign data. Earlier, the Bureau of Statistics director Jiantang publicly said that the current real estate price statistics system and methods are indeed flawed. (September 26, "The Beijing News") so-called "net sign data", refers to the buyer and seller signed the purchase contract, to the real estate related departments for the record, and published online, and then get a network sign, you can through this number on the Internet to check the price, the data is the net sign data.　　Logically speaking, the data from the real Estate management department is real, but in the current real estate market situation, this data still have to be injected. First, the developer will affect the authenticity of the data on the Web. For example, developers fake signature and normal withdrawal list, will let the network sign data authenticity discount.　　For example, the yin-yang contract not only exists in the second-hand housing market, but also exists in the new residential market, which is bound to let the network sign data away from the real. In addition, the "lag" of the network signature data affects the accuracy of the data. As the market personage says, the data of the net sign most has a certain lag, some commercial housing contract even lag more than 1 months, this may affect actual data accuracy.　　2009, the official website of Guangzhou Real Estate Department--Sunshine Home network contract and actual transaction lag, resulting in the transaction data is difficult to distinguish. Moreover, the possibility of digital fraud in some local regulatory departments is not ruled out.　　Because "official number of words, figures out of the official", as a result, some places often fake GDP data, in fact, because of the impact of land finance, in the data on the Internet to fake it is also possible-when the network signed data to become the main source of official data, some local governments may require local regulators in the data on the Internet to play, playing digital games. Thus, the house price statistics can not simply copy the data, in the use of the network sign data, on the one hand, to rationally look at the network sign data, especially to the abnormal change of the network signed data to have the ability to distinguish between true and false. On the other hand, a variety of ancillary means should be used to investigate.　　In this way, it is possible to restore the truth of the house price, simple copy of the data can not make the price of real estate data true and accurate. (Text/Feng Haining)