In traditional parametric regression models, the functional form of the model is specified before the model is fit to data, and the object is to estimate the parameters of the model. In nonparametric regression, in contrast, the object is to estimate the regression function directly without specifying its form explicitly. In this appendix to Fox and Weisberg (2011), we describe how to fit sever...

AMS subject classifications: 62H12 62G20 Keywords: Covariates missing at random Inverse selection probability Multi-index model Single-index model a b s t r a c t This paper considers estimation of the semiparametric multi-index model with missing covariates at random. A weighted estimating equation is suggested by invoking the inverse selection probability approach, and estimators of the indic...

Ned Block argues that the higher order (HO) approach to explaining consciousness is ‘defunct’ because a prominent objection (the ‘misrepresentation objection’) exposes the view as ‘incoherent’. What’s more, a response to this objection that I’ve offered elsewhere (Weisberg 2010) fails because it ‘amounts to abusing the notion of what-it’s-like-ness’ (Block 2011: 427). In this response, I wish t...

Varicose veins occur commonly in the general population but, MTHFR is an enzyme that is important in homocysteinemetabolism. despite much research, the etiology of venous disease is still poorly understood. The pathogenesis of the vein dilatation remains obscure in spite of the evidence of a primary defect in the vein wall. A number of epidemiological studies have shown that, in addition to env...

Both adults and children have the ability to not only think about reality but also use their imaginations and create fictional worlds. This article describes the process by which world creation happens, drawing from philosophical and psychological treatments of this issue. First, world creators recognize the need to create a fictional world, as when starting a pretend game or opening a novel. T...

Creative ideation is a highly complex process, which is difficult to formalize and control. Evidently, even in a complex thinking context certain patterns of creativity may emerge. Relying on such observed patterns may help in "organizing" the creative process by promoting routes that have been proven to lead to productive ideas and avoiding those that do not. The present research suggests that...

ABSTRACT HUMAN BEINGS AND THE MORAL LAW: MORAL PRECARIOUSNESS IN KANT'S ETHICAL PHILOSOPHY Bradley M. Taylor Dr. Paul Guyer This dissertation is an examination of human moral precariousness in Kant's ethics. Human beings are in a state of moral precariousness insofar as they are ever-capable of transgressing the moral law and are often uncertain of the moral worth of their actions. Put another ...

The concept of robustness in the context of most work in Alife and complex systems implies that the results of a given model remain consistent despite unexpected variation. For example, homeostatic coupling between an animat and the environment is one possible simple form of robustness which we have demonstrated in simple simulation models (Ikegami et al., 2008, BioSystems, 91, p. 388), in whic...

Introduct ion papers wi~ appear in ~ Sea Research in 1979. Duing (1974) and Philander Ti"974) describe the experimental rationale and design f:or the GATE oceanographic program. Duing, et al. (1975) found large scale meandering of the westward flowing south equatorial current and the east'Ward flowing equatorial undercurrent. They deduced the presence of: a long wave of wavelength 2600 km propa...

Creativity is a fundamental activity of human information processing (M. A. Boden, 1998). It is generally agreed to include two defining characteristics: “The ability to produce work that is both novel (i.e., original, unexpected) and appropriate (i.e., useful, adaptive concerning task constraints)” (Sternberg & Lubart, 1999, p. 3). Much has been written about creativity from social, psychologi...