Originally posted by seanr
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Of course, there would be lots of people in that area, and there's a good possibility that JtR hasn't been named, but he could still be in the area. From my testing so far, 50% of offenders have be located within zones 1-3, so the orange area (which is split, and there's a bit to the east). 75% fall between zones 1-6, so out to the magenta area, and over 90% end up in zones 1-20 (somewhere inside the red area). My testing, though, already preselects offenders that would be marauders (so, only those that live in the area). Also, the anchor point need not be their residence, it could be a place of work, or a club they hang out at, or pub, etc. Basically, this sort of analysis tries to identify locations that are likely to be associated with the offender, suggesting where to look. Often, it does locate the offender's residence, simply because for many people, home is a stable location. Offenders who move around alot, which we must remember people in Whitechappel did, introduce a lot of spatial noise.
- Jeff
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