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11.
Vivian?ViallonEmail author Sophie?Lambert-Lacroix H?lger?Hoefling Franck?Picard 《Statistics and Computing》2016,26(1-2):285-301
Using networks as prior knowledge to guide model selection is a way to reach structured sparsity. In particular, the fused lasso that was originally designed to penalize differences of coefficients corresponding to successive features has been generalized to handle features whose effects are structured according to a given network. As any prior information, the network provided in the penalty may contain misleading edges that connect coefficients whose difference is not zero, and the extent to which the performance of the method depend on the suitability of the graph has never been clearly assessed. In this work we investigate the theoretical and empirical properties of the adaptive generalized fused lasso in the context of generalized linear models. In the fixed \(p\) setting, we show that, asymptotically, adding misleading edges in the graph does not prevent the adaptive generalized fused lasso from enjoying asymptotic oracle properties, while forgetting suitable edges can be more problematic. These theoretical results are complemented by an extensive simulation study that assesses the robustness of the adaptive generalized fused lasso against misspecification of the network as well as its applicability when theoretical coefficients are not exactly equal. Our contribution is also to evaluate the applicability of the generalized fused lasso for the joint modeling of multiple sparse regression functions. Illustrations are provided on two real data examples. 相似文献
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Madeline‐Sophie Abbas 《The British journal of sociology》2019,70(1):261-282
Research on UK government counter‐terrorism measures has claimed that Muslims are treated as a ‘suspect community’. However, there is limited research exploring the divisive effects that membership of a ‘suspect community’ has on relations within Muslim communities. Drawing from interviews with British Muslims living in Leeds or Bradford, I address this gap by explicating how co‐option of Muslim community members to counter extremism fractures relations within Muslim communities. I reveal how community members internalize fears of state targeting which precipitates internal disciplinary measures. I contribute the category of ‘internal suspect body’ which is materialized through two intersecting conditions within preventative counter‐terrorism: the suspected extremist for Muslims to look out for and suspected informer who might report fellow Muslims. I argue that the suspect community operates through a network of relations by which terrors of counter‐terrorism are reproduced within Muslim communities with divisive effects. 相似文献
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Pétremand Gaël Chittaro Yannick Braaker Sonja Brenneisen Stephan Gerner Magdalena Obrist Martin K. Rochefort Sophie Szallies Alexander Moretti Marco 《Urban Ecosystems》2018,21(1):119-132
Urban Ecosystems - Green roofs have recently gained recognition for their potential contribution to urban ecosystems by providing, among other services, habitat for plants and animals, and stepping... 相似文献
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Historically, women’s sexual desire has been deemed socially problematic. The growing popularity of the concept of hypersexuality—which lists high sexual desire among its core components—poses a risk of re-pathologizing female sexual desire. Data from a 2014 online survey of 2,599 Croatian women aged 18–60 years was used to examine whether high sexual desire is detrimental to women’s relationship and sexual well-being. Based on the highest scores on an indicator of sexual desire, 178 women were classified in the high sexual desire (HSD) group; women who scored higher than one standard deviation above the Hypersexual Disorder Screening Inventory mean were categorized in the hypersexuality (HYP) group (n = 239). Fifty-seven women met the classification criteria for both groups (HYP&HSD). Compared to other groups, the HSD was the most sexually active group. Compared to controls, the HYP and HYP&HSD groups—but not the HSD group—reported significantly more negative consequences associated with their sexuality. Compared to the HYP group, women with HSD reported better sexual function, higher sexual satisfaction, and lower odds of negative behavioral consequences. The findings suggest that, at least among women, hypersexuality should not be conflated with high sexual desire and frequent sexual activity. 相似文献
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Sophie ROBIN-OLIVIER 《Revue Internationale du Travail》2020,159(4):539-560
Des observations sur la manière dont le droit de l'Union européenne fait place aux instruments destinés à assurer la protection des travailleurs élaborés à l'échelle internationale ou à l'action des organisations internationales pour la protection des droits sociaux, cette contribution tire une typologie destinée à mettre au jour les liens, souvent tenus mais d'une grande diversité, qui rattachent le droit européen au «droit international du travail», au sens large. 相似文献
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Engaging with Comparative Risk Appraisals: Public Views on Policy Priorities for Environmental Risk Governance
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Sophie A. Rocks Iljana Schubert Emma Soane Edgar Black Rachel Muckle Judith Petts George Prpich Simon J. Pollard 《Risk analysis》2017,37(9):1683-1692
Communicating the rationale for allocating resources to manage policy priorities and their risks is challenging. Here, we demonstrate that environmental risks have diverse attributes and locales in their effects that may drive disproportionate responses among citizens. When 2,065 survey participants deployed summary information and their own understanding to assess 12 policy‐level environmental risks singularly, their assessment differed from a prior expert assessment. However, participants provided rankings similar to those of experts when these same 12 risks were considered as a group, allowing comparison between the different risks. Following this, when individuals were shown the prior expert assessment of this portfolio, they expressed a moderate level of confidence with the combined expert analysis. These are important findings for the comprehension of policy risks that may be subject to augmentation by climate change, their representation alongside other threats within national risk assessments, and interpretations of agency for public risk management by citizens and others. 相似文献
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