Results 261 to 270 of about 5,971,359 (314)
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Selecting a Selection Procedure
Management Science, 2007Selection procedures are used in a variety of applications to select the best of a finite set of alternatives. “Best” is defined with respect to the largest mean, but the mean is inferred with statistical sampling, as in simulation optimization. There are a wide variety of procedures, which begs the question of which selection procedure to select. The
Jürgen Branke +2 more
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Collection Management, 2001
Abstract The libraries of OhioLINK-a large Midwest consortium of all Ohio academic libraries-began an experiment in the purchase and use of e-journals in 1998. Discovering that individual libraries were providing on average only around 25% of the available journal literature from major publishers, the OhioLINK consortium began purchasing all publisher ...
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Abstract The libraries of OhioLINK-a large Midwest consortium of all Ohio academic libraries-began an experiment in the purchase and use of e-journals in 1998. Discovering that individual libraries were providing on average only around 25% of the available journal literature from major publishers, the OhioLINK consortium began purchasing all publisher ...
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Selection Bias and Self-Selection
1987The problem of selection bias in economic and social statistics arises when a rule other than simple random sampling is used to sample the underlying population that is the object of interest. The distorted representation of a true population as a consequence of a sampling rule is the essence of the selection problem.
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Bulletin of Economic Research, 2000
This paper studies how schooling admission tests affect economic performance in an economy where individuals are endowed both with academic and non academic abilities and either ability matters for labour productivity. We show that the outcome of these abilities varies both with the degree of correlation of these abilities in the population and with ...
GIANNINI, MASSIMO, Brunello, G.
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This paper studies how schooling admission tests affect economic performance in an economy where individuals are endowed both with academic and non academic abilities and either ability matters for labour productivity. We show that the outcome of these abilities varies both with the degree of correlation of these abilities in the population and with ...
GIANNINI, MASSIMO, Brunello, G.
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SIAM Journal on Computing, 1999
Summary: Improving a long-standing result of \textit{A. Schönhage, M. Paterson}, and \textit{N. Pippenger} [J. Comput. Syst. Sci. 13, 184-199 (1976; Zbl 0333.68033)] we show that the median of a set containing \(n\) elements can always be found using at most \(c \cdot n\) comparisons, where ...
Dorit Dor, Uri Zwick
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Summary: Improving a long-standing result of \textit{A. Schönhage, M. Paterson}, and \textit{N. Pippenger} [J. Comput. Syst. Sci. 13, 184-199 (1976; Zbl 0333.68033)] we show that the median of a set containing \(n\) elements can always be found using at most \(c \cdot n\) comparisons, where ...
Dorit Dor, Uri Zwick
openaire +4 more sources