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Immigration, unemployment and human-capital acquisition

Lumpe, Christian - 2008

The following dissertation is a collection of four stand-alone research papers. The focus of my research is on the interplay of immigration, native human-capital investment and the resulting consequences for the labour market outcome of natives and necessary implications for the immigration...

Persistent link: https://www.econbiz.de/10009471669

Visual Sample Plan (VSP): A Tool for Balancing Sampling Requirements Against Decision Error Risk

Pulsipher, Brent A.; Gilbert, Richard O.; Wilson, John E.; … - 2008

user determine the optimal number and location of samples using defensible statistical sampling design methods and displays … summarizing the assumptions and parameter inputs is generated and can be included in a sampling and analysis plan. VSP features …

Persistent link: https://www.econbiz.de/10009435427

HLNC calibration and application to waste measurement

Lu, Ming Shih; Teichmann, T.; De Ridder, P.M. - 2008

measurement and a new calibration procedure consistent with the physical theory of coincidence counting measurement are presented …

Persistent link: https://www.econbiz.de/10009435460

Effect of initial seed and number of samples on simple-random and Latin-Hypercube Monte Carlo probabilities (confidence interval considerations)

ROMERO,VICENTE J. - 2008

In order to devise an algorithm for autonomously terminating Monte Carlo sampling when sufficiently small and reliable … 100 trials in a hypothesis test, estimated 95% CI from classical approximate CI theory are empirically examined to … rejected as not being true 95% CI at less than a 40% chance of incorrect rejection. With regard to Latin Hypercube sampling …

Persistent link: https://www.econbiz.de/10009435548

A further study of the impact of bias on accountability

Harvey, T.R.; McGuire, S.A. - 2009

inventory discrepancies. It will not matter that the bias is of no statistical significance. Even small biases will over a … authors conclude that it is possible, in theory, to apply propagation of variance (POV) techniques when assigning limits of …

Persistent link: https://www.econbiz.de/10009435607

Estimation of expected value for lognormal and gamma distributions. [Environmental pollutants]

White, G.C. - 2009

Concentrations of environmental pollutants tend to follow positively skewed frequency distributions. Two such density functions are the gamma and lognormal. Minimum variance unbiased estimators of the expected value for both densities are available. The small sample statistical properties of...

Persistent link: https://www.econbiz.de/10009435692

Two-stage sampling for acceptance testing

Atwood, C.L.; Bryan, M.F. - 2008

example of correct two-stage sampling. …

Persistent link: https://www.econbiz.de/10009435858

Hanford transuranic analytical capability

McVey, C.B. - 2009

With the current DOE focus on ER/WM programs, an increase in the quantity of waste samples that requires detailed analysis is forecasted. One of the prime areas of growth is the demand for DOE environmental protocol analyses of TRU waste samples. Currently there is no laboratory capacity to...

Persistent link: https://www.econbiz.de/10009436013