spatialAtRisk.im: spatialAtRisk.im function
Description
Creates a spatialAtRisk object from a spatstat pixel image (im) object.Usage
## S3 method for class 'im':
spatialAtRisk(X, ...)
Value
- object of class spatialAtRisk
- Brix A, Diggle PJ (2001). Spatiotemporal Prediction for log-Gaussian Cox processes. Journal of the Royal Statistical Society, Series B, 63(4), 823-841.
- Diggle P, Rowlingson B, Su T (2005). Point Process Methodology for On-line Spatio-temporal Disease Surveillance. Environmetrics, 16(5), 423-434.