Blog Archives
Announcing the release of SpaceStat 3.6 and Jacquez’ Q, our new case-control method
May 20, 2012With our latest release, we’ve included support for our new Q-statistic, appropriately named Jacquez’ Q. Q-statistics were developed for evaluating space-time clustering in residential histories of case-control data (Jacquez et al., 2006). Representing residential histories as space-time threads (those locations where people … Continue reading
The small numbers problem part 3: Diagnostics for the small numbers problem
November 14, 2011To follow along with the analyses in this blog download and install a trial version of SpaceStat here. An earlier blog defined the small numbers problem and illustrated that rates calculated with small denominators (e.g. small at-risk populations) have high variance and … Continue reading
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