Search Results - "Duczmal, Luiz"
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1
An elliptic spatial scan statistic
Published in Statistics in medicine (30-11-2006)“…The spatial scan statistic is commonly used for geographical disease cluster detection, cluster evaluation and disease surveillance. The most commonly used…”
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2
Brazil’s policies condemn Amazonia to a second wave of COVID-19
Published in Nature medicine (01-09-2020)Get full text
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Brazil’s planned exploitation of Amazonian indigenous lands for commercial agriculture increases risk of new pandemics
Published in Regional environmental change (01-09-2021)“…We report the emergence of a new production chain for commercial food that aims to maximize profit to the detriment of the environment and traditional…”
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How Brazil’s President turned the country into a global epicenter of COVID-19
Published in Journal of public health policy (01-09-2021)“…In this manuscript, we point out that the federal government headed by President Bolsonaro has pursued a political agenda that contributed to the spread of…”
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A simulated annealing strategy for the detection of arbitrarily shaped spatial clusters
Published in Computational statistics & data analysis (01-03-2004)“…We propose a new graph-based strategy for the detection of spatial clusters of arbitrary geometric form in a map of geo-referenced populations and cases. Our…”
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Multivariate scan statistics for disease surveillance
Published in Statistics in medicine (15-04-2007)“…In disease surveillance, there are often many different data sets or data groupings for which we wish to do surveillance. If each data set is analysed…”
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7
Nonparametric dependence modeling via cluster analysis: A financial contagion application
Published in Communications in statistics. Simulation and computation (01-02-2021)“…Dependence measures, from linear correlation coefficients to recent copula-based methods, have been widely used to find out associations between variables…”
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8
Multi-objective approach for multiple clusters detection in data points events
Published in Communications in statistics. Simulation and computation (2022)“…The spatial scan statistic is a widely used technique for detecting spatial clusters. Several extensions of this technique have been developed over the years…”
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9
Evaluation of Spatial Scan Statistics for Irregularly Shaped Clusters
Published in Journal of computational and graphical statistics (01-06-2006)“…Spatial scan statistics are commonly used for geographic disease cluster detection and evaluation. We propose and implement a modified version of the simulated…”
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10
Penalized likelihood and multi-objective spatial scans for the detection and inference of irregular clusters
Published in International journal of health geographics (29-10-2010)“…Irregularly shaped spatial clusters are difficult to delineate. A cluster found by an algorithm often spreads through large portions of the map, impacting its…”
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11
Alternatives to the usual likelihood ratio test in mixed linear models
Published in Computational statistics & data analysis (01-01-2014)“…The small-sample performance of alternatives to the usual likelihood ratio test in mixed linear models is investigated. Specifically, the following tests for…”
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SPATIAL SCAN STATISTICS FOR MODELS WITH OVERDISPERSION AND INFLATED ZEROS
Published in Statistica Sinica (01-01-2015)“…The Spatial Scan Statistic is one of the most important methods for detecting and monitoring spatial disease clusters. Usually it is assumed that disease cases…”
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13
Multiple source spatial cluster detection via multi-criteria analysis
Published in Environmental and ecological statistics (01-06-2018)“…Multiple data sources are essential to provide reliable information regarding the emergence of potential health threats, compared to single source methods…”
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14
Voronoi distance based prospective space-time scans for point data sets: a dengue fever cluster analysis in a southeast Brazilian town
Published in International journal of health geographics (23-04-2011)“…The Prospective Space-Time scan statistic (PST) is widely used for the evaluation of space-time clusters of point event data. Usually a window of cylindrical…”
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15
Vertical social distancing policy is ineffective to contain the COVID-19 pandemic
Published in Cadernos de saúde pública (2020)“…Considering numerical simulations, this study shows that the so-called vertical social distancing health policy is ineffective to contain the COVID-19…”
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A genetic algorithm for irregularly shaped spatial scan statistics
Published in Computational statistics & data analysis (01-09-2007)“…A new approach is presented for the detection and inference of irregularly shaped spatial clusters, using a genetic algorithm. Given a map divided into regions…”
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17
Multi-objective dynamic programming for spatial cluster detection
Published in Environmental and ecological statistics (01-06-2015)“…The detection and inference of arbitrarily shaped spatial clusters in aggregated geographical areas is described here as a multi-objective combinatorial…”
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18
Nonparametric intensity bounds for the delineation of spatial clusters
Published in International journal of health geographics (07-01-2011)“…There is considerable uncertainty in the disease rate estimation for aggregated area maps, especially for small population areas. As a consequence the…”
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An Item Response Theory approach to spatial cluster estimation and visualization
Published in Environmental and ecological statistics (01-09-2016)“…The scan statistic is widely used in spatial cluster detection applications of inhomogeneous Poisson processes. The most popular variant of the spatial scan is…”
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Dynamics of COVID-19 in Amazonia: A history of government denialism and the risk of a third wave
Published in Preventive medicine reports (01-04-2022)“…The city of Manaus (the capital of Brazil’s state of Amazonas) has become a key location for understanding the dynamics of the global pandemic of COVID-19…”
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