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Bayesian mixture models and their Big Data implementations with application to invasive species presence-only data

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Figure

Fig. 1 Quantization via k-means. A dataset of 5000 observations (plotted in solid gray points) is drawn from a Gaussian mixture of 5 components and reduced to 500 quantized values (plotted in blue circles)
Fig. 2 Posterior estimates of the components mean vectors, for the data shown in Fig. the full 5000 observations and 1, conditional on a b the 500 quantized values
Fig. 3 Google image snapshot of the study area and the observed location of fire-ant colonies (indicated by red dots) over the study period 2001–2013
Fig. 5 Densities of 6 Landsat bands from 2005 image with 1 (in black) indicates colonies are identified and 0 (in red) indicates otherwise
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