Due to the Vietnamese conditions there is no source of data stored in the market to sell the house, so the author chose to send. Hu Zhiming in the field of scientific research, choose "four county position" has different investigation and measurement, establish regression model, namely: one district, three district and county, hill county and fall. Survey results through process analysis, filtering, and accept the 387 observation, each corresponding to a specific B s. In there, a county (7 thousand of the 18,1 observed), observed in three counties (74%, 19,1 County justice is 187), observation (48,3 percent of the hill county is falling), observation (14,5 accounted for 56%). Most of the observed occurrence in specific locations, such as: 116 alley. Observation is observed in front of the street 45 lane is a class, level second is 163 observation 46 lane, alley is three and 17 level Four observation is the canyon.The author uses the regression function of SPSS software to run after the establishment of housing transaction price is determined, the variables are meaningful statistics include:Variables: price depends on the transaction's home (10000 yuan).Independent variable:- X1: in the legal land area (M2).- x2: the value of the project in the land (million).- X3: road width (m).You are from home to X4: from downtown and T = 1 / T's location can be measured from minutes to the city centre.Investigation X5 position: "front" and "alley", encoding is by two variables (dummy), the corresponding value is "1" and "0".- X6: the law of the survey, which includes the "complete" and "incomplete" encoding is the value of two variables, the corresponding "1" and "0"".- X7: regional security order by "very good", "good, average", in the same code corresponding to the value of the two variables is to "1" and "0"".
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