加利福尼亚州的圣克拉拉大学的数学家乔治默赫勒认为,余震和犯罪有着相似之处。
There is often a pattern ofaftercrimes in the wake of an initial one.
在初始犯罪后,常会尾随一种犯罪后效应模式。
The similarity with earthquakes intrigued him and he wondered if the mathematicalformulas that seismologists employ to predict aftershocks were applicable to aftercrimes,too.
这种和地震的相似性激起了他的兴趣,于是他想,如果地震学家应用的预测余震的数学公式应用到犯罪后效应中,又会如何呢?
To test this idea, he and a team of researchers from the University of California, Los Angeles,adapted a computer program used by seismologists to calculate the likelihood ofaftershocks.
为了测试这一想法,他和一队来自加利福尼亚大学的研究人员采用了一套地震学家用来计算余震可能性的电脑程序,
They then seeded it with actual LAPD data on 2,803 residential burglaries that occurred in an18km-by-18km region of the San Fernando valley, one of the citys largest districts, during2004.
输入了2004年,在圣费尔南多谷中面积为1818km2的区域里发生的2803起住宅爆窃案的警方数据。
Using the seismological algorithms, the computer calculated which city blocks were likely toexperience the highest number of burglaries the next day, and thus which 5% of homeswithin the area were at particular risk of being broken into.
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