Search Results - "Duczmal, Luiz"

An elliptic spatial scan statistic by Kulldorff, Martin, Huang, Lan, Pickle, Linda, Duczmal, Luiz

“…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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Brazil’s policies condemn Amazonia to a second wave of COVID-19 by Ferrante, Lucas, Steinmetz, Wilhelm Alexander, Almeida, Alexandre Celestino Leite, Leão, Jeremias, Vassão, Ruth Camargo, Tupinambás, Unaí, Fearnside, Philip Martin, Duczmal, Luiz Henrique

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Brazil’s planned exploitation of Amazonian indigenous lands for commercial agriculture increases risk of new pandemics by Ferrante, Lucas, Barbosa, Reinaldo Imbrozio, Duczmal, Luiz, Fearnside, Philip Martin

“…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 by Ferrante, Lucas, Duczmal, Luiz, Steinmetz, Wilhelm Alexander, Almeida, Alexandre Celestino Leite, Leão, Jeremias, Vassão, Ruth Camargo, Tupinambás, Unaí, Fearnside, Philip Martin

“…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 by Duczmal, Luiz, Assunção, Renato

“…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 by Kulldorff, Martin, Mostashari, Farzad, Duczmal, Luiz, Katherine Yih, W., Kleinman, Ken, Platt, Richard

“…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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Nonparametric dependence modeling via cluster analysis: A financial contagion application by Couto, Ricardo, Duczmal, Luiz H., Burgarelli, Denise, Álvares, Felipe, Moreira, Gladston J. P.

“…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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Multi-objective approach for multiple clusters detection in data points events by Bodevan, Emerson C., Duczmal, Luiz H., Duarte, Anderson R., Silva, Pedro H. L., Moreira, Gladston J. P.

“…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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Evaluation of Spatial Scan Statistics for Irregularly Shaped Clusters by Duczmal, Luiz, Kulldorff, Martin, Huang, Lan

“…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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Penalized likelihood and multi-objective spatial scans for the detection and inference of irregular clusters by Cançado, André L F, Duarte, Anderson R, Duczmal, Luiz H, Ferreira, Sabino J, Fonseca, Carlos M, Gontijo, Eliane C D M

“…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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Alternatives to the usual likelihood ratio test in mixed linear models by Stein, Markus Chagas, da Silva, Michel Ferreira, Duczmal, Luiz Henrique

“…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 by de Lima, Max S., Duczmal, Luiz H., Neto, José C., Pinto, Letícia P.

“…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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Multiple source spatial cluster detection via multi-criteria analysis by Almeida, Alexandre C. L., Duczmal, Luiz H., Cançado, André L. F., da Silva, Fabio R.

“…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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Voronoi distance based prospective space-time scans for point data sets: a dengue fever cluster analysis in a southeast Brazilian town by Duczmal, Luiz H, Moreira, Gladston Jp, Burgarelli, Denise, Takahashi, Ricardo Hc, Magalhães, Flávia Co, Bodevan, Emerson C

“…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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Vertical social distancing policy is ineffective to contain the COVID-19 pandemic by Duczmal, Luiz Henrique, Almeida, Alexandre Celestino Leite, Duczmal, Denise Bulgarelli, Alves, Claudia Regina Lindgren, Magalhães, Flávia Costa Oliveira, Lima, Max Sousa de, Silva, Ivair Ramos, Takahashi, Ricardo Hiroshi Caldeira

“…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 by Duczmal, Luiz, Cançado, André L.F., Takahashi, Ricardo H.C., Bessegato, Lupércio F.

“…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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Multi-objective dynamic programming for spatial cluster detection by Moreira, Gladston J. P., Paquete, Luís, Duczmal, Luiz H., Menotti, David, Takahashi, Ricardo H. C.

“…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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Nonparametric intensity bounds for the delineation of spatial clusters by Oliveira, Fernando L P, Duczmal, Luiz H, Cançado, André L F, Tavares, Ricardo

“…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 by Cançado, André L. F., Gomes, Antonio E., da-Silva, Cibele Q., Oliveira, Fernando L. P., Duczmal, Luiz H.

“…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 by Ferrante, Lucas, Duczmal, Luiz Henrique, Capanema, Eduardo, Steinmetz, Wilhelm Alexander Cardoso, Almeida, Alexandre Celestino Leite, Leão, Jeremias, Vassão, Ruth Camargo, Fearnside, Philip Martin, Tupinambás, Unaí

“…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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