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. 2020 Jan 31;17(3):885. doi: 10.3390/ijerph17030885

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Figure A2 — Image plots of the radial spline basis with $\hat{τ} = max_{1 \leq i, j \leq n} s_{i} - s_{j}$ under different covariance functions. The radial spline basis is plotted on natural log-odds scale. This illustrates the spatial variation of HIV risk in Mozambique.