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4,247
The spread of obesity in a large social network over 32 years
- NEW ENGLAND JOURNAL OF MEDICINE
, 2007
"... The prevalence of obesity has increased substantially over the past 30 years. We performed a quantitative analysis of the nature and extent of the person-to-person spread of obesity as a possible factor contributing to the obesity epidemic. Methods We evaluated a densely interconnected social networ ..."
Abstract
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Cited by 509 (23 self)
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The prevalence of obesity has increased substantially over the past 30 years. We performed a quantitative analysis of the nature and extent of the person-to-person spread of obesity as a possible factor contributing to the obesity epidemic. Methods We evaluated a densely interconnected social
Investing for the long run when returns are predictable
- Journal of Finance
, 2000
"... We examine how the evidence of predictability in asset returns affects optimal portfolio choice for investors with long horizons. Particular attention is paid to estimation risk, or uncertainty about the true values of model parameters. We find that even after incorporating parameter uncertainty, th ..."
Abstract
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Cited by 444 (0 self)
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, there is enough predictability in returns to make investors allocate substantially more to stocks, the longer their horizon. Moreover, the weak statistical significance of the evidence for predictability makes it important to take estimation risk into account; a long-horizon investor who ignores it may
In defense of one-vs-all classification
- Journal of Machine Learning Research
, 2004
"... Editor: John Shawe-Taylor We consider the problem of multiclass classification. Our main thesis is that a simple “one-vs-all ” scheme is as accurate as any other approach, assuming that the underlying binary classifiers are well-tuned regularized classifiers such as support vector machines. This the ..."
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Cited by 318 (0 self)
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. This thesis is interesting in that it disagrees with a large body of recent published work on multiclass classification. We support our position by means of a critical review of the existing literature, a substantial collection of carefully controlled experimental work, and theoretical arguments.
Particle-Based Fluid Simulation for Interactive Applications
, 2003
"... Realistically animated fluids can add substantial realism to interactive applications such as virtual surgery simulators or computer games. In this paper we propose an interactive method based on Smoothed Particle Hydrodynamics (SPH) to simulate fluids with free surfaces. The method is an extension ..."
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Cited by 280 (11 self)
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Realistically animated fluids can add substantial realism to interactive applications such as virtual surgery simulators or computer games. In this paper we propose an interactive method based on Smoothed Particle Hydrodynamics (SPH) to simulate fluids with free surfaces. The method is an extension
Despite substantial...
, 2007
"... The Moving to Opportunity (MTO) Program, undertaken in five metropolitan areas (MSAs) during 1994-1998, has produced the only evidence about the effects of neighborhood conditions on social outcomes which is based upon experimental observation. The results of this experiment provide no support at al ..."
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at all for a link between neighborhood conditions and the economic self sufficiency of adults. This contrasts sharply with a prior body of social science evidence suggesting that the spatial segregation of minority workers from concentrations of urban employment leads to reduced earnings, employment
Progressive search space reduction for human pose estimation
- In CVPR
, 2008
"... The objective of this paper is to estimate 2D human pose as a spatial configuration of body parts in TV and movie video shots. Such video material is uncontrolled and extremely challenging. We propose an approach that progressively reduces the search space for body parts, to greatly improve the chan ..."
Abstract
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Cited by 226 (30 self)
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The objective of this paper is to estimate 2D human pose as a spatial configuration of body parts in TV and movie video shots. Such video material is uncontrolled and extremely challenging. We propose an approach that progressively reduces the search space for body parts, to greatly improve
Getting to scale with good educational practice
- Harvard Educational Review
, 1996
"... How can good educational practice move beyond pockets of excellence to reach a much greater proportion of students and educators? While many children and young adults in school districts and communities around the country have long benefited from the tremendous accomplishments of successful teachers ..."
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Cited by 206 (1 self)
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.S. educational practice? This question, I argue, raises a central problem of U.S. education: A significant body of circumstantial evidence points to a deep, sys-temic incapacity of U.S. schools, and the practitioners who work in them, to develop, incorporate, and extend new ideas about teaching and learning
Developmental changes in perception of nonnative vowel contrasts
- Journal of Experimental Psychology: Human Perception and Performance
, 1994
"... Discrimination of 2 German vowel contrasts was examined in English-learning infants of 6-8 and 10-12 months of age using a head turn procedure. The younger infants were better able than the older infants to discriminate the nonnative contrasts, but performance at 6-8 months was below levels that hav ..."
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Cited by 152 (13 self)
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language-general toward a language-specific pattern during the 1st year of life. However, that shift begins earlier in development for vowels than for consonants. There is a substantial body of research on developmental differences in discrimination of nonnative phonetic con-trasts, but the research
Explor ing a Taxonomy of Global Leadership Competencies and Meta-competencies
"... There is a substantial body of research evidence regarding the importance of leadership development to ..."
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There is a substantial body of research evidence regarding the importance of leadership development to
On Energy, Personality, and Health: Subjective Vitality as a Dynamic Reflection of Well- Being
- Journal of Personality
, 1997
"... ABSTRACT Iti this article, we examine subjective vitality, a positive feeling of aliveness and energy, in six studies. Subjective vitality is hypothesized to reflect organismic well-being and thus should covary with both psychological and somatic factors that impact the energy available to the self. ..."
Abstract
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Cited by 180 (15 self)
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. Associations are shown between subjective vitality and several indexes of psychological well-being; somatic factors such as physical symptoms and perceived body functioning; and basic personality traits and affective dispositions. Subse-quently, vitality is shown to be lower in people with chronic pain
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