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Cross-Validation as a Bandwidth Criterion for Geographically Weighted PCA: An Ethics of Ambiguity

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geographysocial-and-behavioral-sciencessociology
Geographically weighted principal component analysis (GWPCA) summarizes spatial multivariate structure through local eigen decompositions whose output depends strongly on a bandwidth, conventionally chosen by leave-one-out cross-validation (CV). While locating the bandwidth that minimizes CV, severa
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