同时,我们还要考虑到以前犯罪地点对于犯人的影响,二者这重影响也是随着时间的推移而越来越小的,例如犯人刚在A区杀了一个人,那么他在A区的临近地点再次作案的可能性就很低了,但是犯人在一年前的犯罪活动对于其当下的犯罪行为影响就极小了.当然,当预测点离犯案点越近,那么其成为即将的作案地点的可能性就越低.上述公式中包含的字母于之前相同,新增的l,h是为了使后半部分函数的增减更为平缓且有可取分型,k是为了使前后的表达式值在同一数量级上,便于叠加影响的数值.tc代表之前的案件距当前的时间,Q值则表示图中各点成为下一个案发现场的可能性分值大小 的翻译如下：
At the same time,we also take into account prior to the impact of crime scenes for the prisoners,both of which heavily influence is as time goes on getting smaller and smaller,such as prisoners in the A zone just kill a man,then he in the A District,location close to the possibility of committing the crime again,very low,but the prisoners a year ago,the criminal activities of criminal acts for its immediate impact on the small of.Of course,when the forecast point from the point of the more recent crimes,then it becomes about the possibility of the perpetrators of the lower locations.The formula contained in the letter earlier in the same,the new l,h is to enable a more moderate increase or decrease in the latter part of the function and there is desirable type,
k is to enable the expression values before and after the same order of magnitude,the effects are easy to stack.tc on behalf of the case prior to the time from the current,Q value indicates the figure points to become the next scene the size of the likelihood scores.