非随机对照研究 – 不同质量的研究 • 统计学异质性(Statistical heterogeneity): – 基于数据计算的结果 – Chi-square检验 • P>0.10肯定没有异质性; • P<0.05肯定有异质性; • 0.10
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这就意味着一个显著的统计学结果,将显示异质性的存在,但一个不显著的结果也未必就是存在异质性的证据。
This means that while a statistically significant result may indicate a problem with heterogeneity, a non-significant result must not be taken as evidence of no heterogeneity.
通过空间统计学的半变异函数工具定量研究了东莞市普通住宅价格的空间异质性特征。
Using semi-variogram, the spatial heterogeneity of general houses prices in Dongguan City is studied quantificationally.
应用地统计学方法分析研究了鄂尔多斯草地荒漠化过程中植被地上生物量空间分布的异质性。
Spatial patterns of the above-ground biomass were determined using a geostatistical analysis in the degraded grasslands in Ordos.
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