Openshaw S, Craft A W, Charlton M, Birch J M
Department of Geography, University of Newcastle upon Tyne.
Lancet. 1988 Feb 6;1(8580):272-3. doi: 10.1016/s0140-6736(88)90352-2.
A new spatial analysis device called a Geographical Analysis Machine detects deviations from the Poisson distribution of rare events. Application to childhood leukaemia data from the north of England identified five clusters, only one of which had been noted by previous methods.
一种名为地理分析机器的新型空间分析设备可检测罕见事件泊松分布的偏差。将其应用于英格兰北部儿童白血病数据时，发现了五个聚集区，其中只有一个是之前的方法所发现的。
