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Spatial and spatio-temporal cluster detection using stacking
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AI
DOI：10.1016/j.spasta.2025.100933.png)
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Abstract
En 中文
Patterns in disease across space and time are important to epidemiologists and health professionals because they may indicate underlying elevated disease risk. In some cases, elevated risk may be driven by environmental exposures, infectious diseases or other factors where timely public health interventions are important. The spatial and spatio-temporal scan statistics identify a single most likely cluster or equivalently select a single correct model. We instead consider an ensemble of single cluster models. We use stacking, a model-averaging technique, to combine relative risk estimates from all of the single cluster models into a sequence of meta-models indexed by the effective number of parameters/clusters. The number of parameters/spatiotemporal clusters is chosen using information criteria. A simulation study is conducted to demonstrate the statistical properties of the stacking method. The method is illustrated using a dataset of female breast cancer incidence data at the municipality level in Japan.
Keywords:
Model-averaging
Multi-model inference
Spatial cluster detection
Spatial scan statistic
Spatio-temporal cluster detection
Stacking
Journal
S
IF:
2.5
Papers:
39
Citations:
0
