2008•Journal of South China Normal UniversityRequires access

SPATIAL HETEROGENEITY ANALYSIS OF HOUSES' PRICES BASED ON SEMI-VARIOGRAM:TAKING DONGGUAN CITY AS A CASE

Zhixiong Mei

Abstract

Using semi-variogram,the spatial heterogeneity of general houses' prices in Dongguan City is studied quantificationally.It is found that the spatial distribution of general houses' prices takes on a zonal anisotropy by anisotropic variability analysis,namely there are different structural characteristics in different directions.The results from isotropic variability analysis reveal that the semi-variogram of general houses' prices is best described by spherical model;the ratio of structure variance to total variance is higher than the ratio of random variance to total variance,and their values are 62.5% and 37.5% respectively.This means that certain factors' contribution to the spatial variability of houses' prices is more than the random factors' contribution.Its variation is a kind of medium variation,and its variation range is 16.62 km.

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Key concepts: Variogram, Spatial variability, Variance (accounting), Spatial heterogeneity, Isotropy, Anisotropy, Variation (astronomy), Statistics