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Surrogate Losses in Passive and Active Learning
active learning sequential design selective sampling statistical learning theory surrogate loss functions classification
2012/9/19
Active learning is a type of sequential design for supervised machine learning, in which the learning algorithm sequentially requests the labels of selected instances from a large pool of unlabeled da...
Distortion risk measures for sums of dependent losses
Coherence Dependence structure Distortion function Risk measure Risk theory
2011/7/5
We discuss two distinct approaches, for distorting risk measures of sums of dependent random variables, which preserve the property of coherence. The first, based on distorted expectations, operates o...
Coupled risk measures and their empirical estimation when losses follow heavy-tailed distributions
Risk measure Heavy-tailed distribution Distortion risk measure Weighted risk measure Proportional hazards transform Conditional tail expectation Premium calculation principle Index of economic inequality Statistical inference
2011/6/20
Considerable literature has been devoted to developing statistical
inferential results for risk measures, especially for those that are
of the form of L-functionals. However, practical and theoretic...
We use a new, matched worker-firm dataset for the United Kingdom to estimate the income loss resulting from firm closure and mass layoffs. We track workers for up to nine years after the displacement ...
New multicategory boosting algorithms based on multicategory Fisher-consistent losses
Boosting Fisher-consistent losses multicategory classification
2010/3/17
Fisher-consistent loss functions play a fundamental role in the
construction of successful binary margin-based classifiers. In this paper
we establish the Fisher-consistency condition for multicateg...
INDIVIDUAL GAINS AND LOSSES FROM SOCIAL SECURITY BEFORE AND AFTER THE 1983 AMENDMENTS
SOCIAL SECURITY Old-Age, Survivors, and Disability Insurance Social Security legislation
2008/12/8
Social Security is the major source of income support for retirement
in the United States; the Old-Age, Survivors, and Disability Insurance
programs (OASDI) will pay benefits of approximately $170
...
A Note on “The Longitudinal Structure of Earnings Losses among Work-Limited Disabled Workers”
Longitudinal Structure Earnings Losses Work-Limited Disabled Workers
2016/3/7
Charles (2003) examines the dynamic effects of disability, finding a small decline in earnings and hours following disability onset, even for those who have positive disability reports for each of the...
Before May 20, 2003 Canadian cattle and beef production activities had been expanding, especially in Alberta, because of changes in government policies and from growing demand among foreign consumers....
Women and men injured at work in Wisconsin during 1989 and 1990 have similar levels of lost earnings in the quarter of injury. However, in the three and one-half years after the post-injury quarter, w...
The Longitudinal Structure of Earnings Losses among Work-Limited Disabled Workers
Longitudinal Structure Earnings Losses Work-Limited Disabled Workers
2016/3/4
This paper asks: What are the dynamic effects of disability on earnings? Unlike most of the previous literature, it uses panel data, and fixed effects methods are used to assess how the earnings of di...