Multiple-output quantile regression through optimal quantization

A new nonparametric quantile regression method based on the concept of optimal quantization was developed recently and was showed to provide estimators that often dominate their classical, kernel-type, competitors. In the present work, we extend this method to multiple-output regression problems. We show how quantization allows approximating population multiple-output regression quantiles based on halfspace depth. We prove that this approximation becomes arbitrarily accurate as the size of the quantization grid goes to infinity. We also derive a weak consistency result for a sample version of the proposed regression quantiles. Through simulations, we compare the performances of our estimators with (local constant and local bilinear) kernel competitors. The results reveal that the proposed quantization-based estimators, which are local constant in nature, outperform their kernel counterparts and even often dominate their local bilinear kernel competitors. The various approaches are also compared on artificial and real data.     

The use of pesticides in French viticulture: a badly controlled technology transfer!

The use of pesticides is one of the techniques employed in modern agriculture and in particular in intensive agriculture. The risks for the environment and for worker health have been debated in western countries for about ten years. Recent developments in epidemiology, toxicology and ergotoxicology have clearly revealed that pesticides could harm the health of farmers (cancers, neurological diseases and reproductive disorders). Failures and shortcomings in the risk prevention systems have also come to light. This paper aims to address the risks associated to the use of pesticides in French vineyards. The chosen approach draws from an anthropological approach as well as from developments in ergotoxicology applied to the French vineyard work. We shall discuss the use of pesticides from the point of view of the transfer of technology. Our recent research has shown that this technology transfer was not completely controlled by the different stakeholders.     

“From cause to cure”: A qualitative study on contemporary forms of mother blaming experienced by mothers of young children with autism spectrum disorder

ABSTRACT

In the past, the behaviours and personalities of mothers have been identified as potential causes of autism. More recently, other etiological hypotheses have been used to explain autism spectrum disorder, suggesting that this specific type of mother-blaming is now uncommon. However, some authors have pointed out that mothers are still being held responsible for their children’s condition and behaviours, as they are now expected to extensively promote their children’s development. The present article explores contemporary forms of mother-blaming experienced by thirteen mothers of children with autism spectrum disorder. The results are discussed in relation to the consequences of mother-blaming, such as social isolation and health related problems. It is hoped that this article will encourage social workers and professionals to understand the mothers’ perspectives and to recognize the importance of supporting them without generating or increasing mother-blaming.     

Social stereotypes,personality traits and regional perception displaced: Attitudes towards the ‘new’ quotatives in the U.K.1

This article investigates the attitudes of British respondents towards the quotatives be like and go. The results of a matched guise test and a social attitudes survey are presented and compared with the findings of studies on be like and go‐perception in the U.S. It is found that the perceptual load of the two quotatives on both sides of the Atlantic is similar in some respects and different in others. This effectively means that, in cases of borrowing, the stereotypes attached to linguistic items are not simply taken over along with the surface item. Rather, the adoption of global resources is a more agentive process, whereby attitudes are re‐evaluated and re‐created by speakers of the borrowing variety. It is suggested that attitudinal information presents an important backdrop to distributional studies in cases of global language trends.     

The Work Sites of an American Interactionist: Anselm L. Strauss, 1917–1996

This article offers a situated overview of the work of Anselm Strauss. Beginning from its intellectual genesis at the University of Chicago with Blumer and Hughes, Strauss's creation of a sociology of action through concepts of routine and nonroutine action, negotiated order, social worlds, arenas, properties and kinds of work, and trajectory are examined. Strauss's ideas about medicine and chronic illness, psychiatric institutions, death and dying, awareness contexts, biography and trajectory are discussed. His profoundly innovative contributions to research methods, including grounded theory and the integration of structural elements through his conditional matrix, are also detailed. In conclusion, the ways in which Strauss himself framed the critical space of an interactionist sociologist are laid out through new interview materials.     

女性问题的多元化：21世纪女权主义干预的机遇与挑战

最近15年内（1990-2005），女权主义干预的发展呈现出越来越突出的种族中心主义特质；由于导致妇女面临的问题和受压迫地位的原因是复杂的，以及妇女作为一个整体具有异质性，因此，女权主义干预应当引入多元化的要素，有针对性地分析并解决妇女面临的问题。     

Un plafond à caissons : les femmes à l’EHESS

The feminization of employment at the École des hautes études en sciences sociales (EHESS) in Paris has fallen off after an early start and it remains low. This is not to be set down so much to the formally discriminating nature of the recruitment examination (concours) as to competition, the accumulation of social capital and the methods for producing job applications. The initial feminization owed much to long inhouse careers, as women were recruited without sitting for an examination but into subordinate positions from which they could move upwards. This trend came to a halt as this channel of recruitment was shut down and a more elitist, relational and competitive one was opened that leads fewer women to enter job applications. The situation is not a stalemate however. A group of women professors has managed to place the gender question on the agenda and this seems to have given a (weak) boost to feminization.