Wong Weng-Keen

The Quantile Snapshot Scan: Comparing Quantiles of Spatial Data from Two Snapshots in Time

We introduce the Quantile Snapshot Scan (Qsnap), a spatial scan algorithm which identifies spatial regions that differ the most between two snapshots in time. Qsnap is designed for spatial data with a numeric response and a vector of associated covariates for each spatial data point. Qsnap focuses o…