Spatial autocorrelation index reflects the degree of the correlation between the geographical elements. Based on ran-dom grayscale, this paper completes the calculation of all kinds of spatial autocorrelation index with the aid of computer technology. Moreover, it analyzes the calculation results and validates each index in detecting aggregation ability.%空间自相关指数体现了地理元素间自相关的程度。本文基于随机灰度图设计实验,借助计算机技术,编程完成各类空间自相关指数的计算,并对计算结果进行分析,验证各指数探测聚集性的能力。
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