${\text{S}}^{3}T$: An Efficient Score-Statistic for Spatio-Temporal Surveillance

Junzhuo Chen, Seong-Hee Kim, Yao Xie

We present an efficient score statistic, called the ${\text{S}}^3\text{T}$ statistic, to detect the emergence of a spatially and temporally correlated signal from either fixed-s…