The hypothesis that consumers use a two-stage procedure to maximize a utility function in which food items are strongly separable from non-food items is combined with prior information about food ...
In educational testing problems, some natural restriction on the coefficients may arise in maximizing the correlation or variance of linear combinations of sets of variables. In this article, two ...
Researchers have applied a recently developed technique to directly measure for the first time the polarization states of light. Their work both overcomes some important challenges of Heisenberg's ...
Yang, Mochen, Edward McFowland III, Gordon Burtch, and Gediminas Adomavicius. "Achieving Reliable Causal Inference with Data-Mined Variables: A Random Forest Approach ...
The VISTA telescope observed the Trifid Nebula, identifying previously hidden variable stars. These variable stars exhibit a period-luminosity relationship, meaning their intrinsic brightness is ...
Value-at-risk and expected shortfall (ES) are ubiquitous in finance. They are used by banks and asset managers to estimate the risk of portfolios. Regulators use them to set capital requirements. To ...
The three methods of variable transformation provided by PROC PRINQUAL are discussed in the following sections. On each iteration, the MTV algorithm alternates classical principal component analysis ...
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