2020
DOI: 10.24310/boletin-criminologico.2020.v27i.11288
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Aplicación del análisis de umbral a los delitos patrimoniales en los barrios y distritos de Barcelona

Abstract: La escasez de recursos humanos y técnicos de la policía dificulta el estudio de patrones delictivos. Para apoyar esta tarea, Chamberlayne (2008) introdujo la automatización a la técnica estadística del análisis de umbral. Esta técnica calcula el número previsto de delitos en una región concreta utilizando la media móvil ponderada, de forma que permite estimar, a partir de años anteriores, el volumen de delitos para la zona respecto del volumen esperado. Por tanto, facilita detectar aquellas zonas donde existe … Show more

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Cited by 3 publications
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“…Bruce (2008Bruce ( , 2012 indicates that researchers can choose the standard value from which the threshold indicates an increase or decrease in crime, although it has become customary to consider that a Z-score between −1.5 and 1.5 reflects stability. Maldonado-Guzmán et al (2020) recommend extending that range to −2 and 2, and we follow their recommendation here. Bruce (2008Bruce ( , 2012 advises working with annual data and including at least the three years preceding that under study.…”
Section: Discussionmentioning
confidence: 99%
“…Bruce (2008Bruce ( , 2012 indicates that researchers can choose the standard value from which the threshold indicates an increase or decrease in crime, although it has become customary to consider that a Z-score between −1.5 and 1.5 reflects stability. Maldonado-Guzmán et al (2020) recommend extending that range to −2 and 2, and we follow their recommendation here. Bruce (2008Bruce ( , 2012 advises working with annual data and including at least the three years preceding that under study.…”
Section: Discussionmentioning
confidence: 99%
“…The article uses threshold models —as developed by Bruce (2008 , 2012 ) and adapted by Maldonado-Guzmán et al (2020) — to measure whether the number of femicides recorded in each country in 2020 differed significantly from the average number recorded from 2017 to 2019. However, due to a misinterpretation of the formula proposed by Maldonado-Guzmán et al (2020) , there is a mistake in the estimation of the Z-scores. Concretely, the formula applied in the article is based on the weighted standard deviation and includes the year 2020, when it should have been based on the standard deviation and exclude that year.…”
mentioning
confidence: 99%
“…It must also be mentioned that, probably because threshold models have only recently been used in the field of criminology ( Bruce, 2008 , 2012 ; Maldonado-Guzmán et al 2020 ; Duarte & Cadavid, 2020 ), one can find slight variations in the formulas used by different authors. For example, Duarte and Cadavid (2020) do not introduce any transformation of the variables and based their formula on the arithmetic mean, the standard deviation and the standard Z-score.…”
mentioning
confidence: 99%