Measuring Bandwidth Uncertainty in Multiscale Geographically Weighted Regression Using Akaike Weights
Bibliographic Data
| ID | 3775428 |
|---|---|
| Authors | Ziqi Li (0000-0002-6345-4347, Arizona State University), A Stewart Fotheringham (0000-0002-0407-1901, Arizona State University), Taylor M Oshan (0000-0002-0537-2941), Levi John Wolf (0000-0003-0274-599X, University of Bristol) |
| Year | 2020 |
| Volume | 110 |
| Issue | 5 |
| Pages | 1500-1520 |
| Publication date | 2020-09-02 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Annals of the American Association of Geographers (JOURNAL) |
| Journal identifiers | ISSN: 2469-4452 • E-ISSN: 2469-4460 |
| Publisher | Informa UK Limited (PUBLISHER • GB) |
| DOI | 10.1080/24694452.2019.1704680 |
| OpenAlex | W3005960504 |
| Language | EN |
| Citations received | 19 |
| References cited | 30 |
Bandwidth, a key parameter in geographically weighted regression models, is closely related to the spatial scale at which the underlying spatially heterogeneous processes being examined take place. Generally, a single optimal bandwidth (geographically weighted regression) or a set of covariate-specific optimal bandwidths (multiscale geographically weighted regression) is chosen based on some criterion, such as the Akaike information criterion (AIC), and then parameter estimation and inference are conditional on the choice of this bandwidth. In this article, we find that bandwidth selection is subject to uncertainty in both single-scale and multiscale geographically weighted regression models and demonstrate that this uncertainty can be measured and accounted for. Based on simulation studies and an empirical example of obesity rates in Phoenix, we show that bandwidth uncertainties can be quantitatively measured by Akaike weights and confidence intervals for bandwidths can be obtained. Understanding bandwidth uncertainty offers important insights about the scales over which different processes operate, especially when comparing covariate-specific bandwidths. Additionally, unconditional parameter estimates can be computed based on Akaike weights accounts for bandwidth selection uncertainty
Akaike information criterion · Covariate · Econometrics · Inference · Regression · Regression analysis · Statistics · Computer Science · Data-Driven Disease Surveillance · Economic and Environmental Valuation · Mathematics · Spatial and Panel Data Analysis · Artificial Intelligence
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| Unique citing works | 19 |
|---|---|
| Citations per year | 3,8 |
| Citation span | 2021 - 2026 (6) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 17 |