نتایج جستجو برای: reference panel
تعداد نتایج: 352935 فیلتر نتایج به سال:
In this study, the performances and accuracies of three methods for converting airborne hyperspectral spectrometer data to reflectance factors were characterized and compared. The "reflectance mode (RM)" method, which calibrates a spectrometer against a white reference panel prior to mounting on an aircraft, resulted in spectral reflectance retrievals that were biased and distorted. The magnitu...
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
Preamble These lecture notes were written for a 2nd-year Ph.D. course in econometrics of panel data and limited-dependent-variable-models. The primary goal of the course is to introduce tools necessary to understand and implement empirical studies in economics focusing on other than time-series issues. The main emphasis of the course is twofold: (i) to extend regression models in the context of...
This paper investigates the nature of competition in the retail gasoline market using a two year panel data of weekly prices for gas stations in San Diego county. The primary dimension of product differentiation in the retail gasoline market is spatial in the sense that a gas station’s market power depends on the locations of all other gas stations. In contrast to previous empirical studies, I ...
Under the background of a new round of power market reform, realizing the goals of energy saving and emission reduction, reducing the coal consumption and ensuring the sustainable development are the key issues for thermal power industry. With the biggest economy and energy consumption scales in the world, China should promote the energy efficiency of thermal power industry to solve these probl...
for discussions and comments on an earlier draft. We are also grateful to the Bank of Sweden Tercentenary Foundation and the Ruben Rausing Fund for support. Data collection was supported by Tacis ACE and MacArthur Foundation grants. All errors are our own. Working papers from the Stockholm Institute of Transition Economics and East European Economies are preliminary in nature, and are circulate...
This paper provides a survey of the existing literature on spatial panel data models. Both static and dynamic models will be considered. The paper also demonstrates that spatial econometric models that include lags of the dependent variable and of the independent variables in both space and time provide a useful tool to quantify the magnitude of direct and indirect effects, both in the short te...
UNLABELLED Standardized assessments of HIV-1 vaccine-elicited neutralizing antibody responses are complicated by the genetic and antigenic variability of the viral envelope glycoproteins (Envs). To address these issues, suitable reference strains are needed that are representative of the global epidemic. Several panels have been recommended previously, but no clear answers have been available o...
Recently developed computational methods allow the imputation of human leukocyte antigen (HLA) genes using intergenic single nucleotide polymorphism markers. To improve the imputation accuracy in HLA imputation, it is essential to increase the sample size and the diversity of alleles in the reference panel. Our software, MergeReference, helps achieve this goal by providing a streamlined pipelin...
BACKGROUND There are presently many non-culture-based methods commercially available to identify organisms and antimicrobial susceptibility from blood culture bottles. Each platform has its benefits and limitations. However, there is a need for an improved system with minimal hands-on requirements and short run times. OBJECTIVES In this study, the performance characteristics of the FilmArray®...
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