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A {ital q}-vector of responses, y, is related to a {ital p}-vector of explanatory variables, x, through a causal linear model. In analytical chemistry, y and x might represent the spectrum and associated set of constituent concentrations of a multicomponent sample which are related through...
Persistent link: https://www.econbiz.de/10009435935
Consumer and producer services, the latter in particular, are expected to become an important means of diversification and employment growth to the economy of Nevada. It has been suggested that the siting of the nuclear waste repository at Yucca Mountain, Nevada, will lead to a significant...
Persistent link: https://www.econbiz.de/10009436070
statistical theory is especially simple. All models can be represented by a graph with one vertex for each variable. The vertices …
Persistent link: https://www.econbiz.de/10009441395
to explore the demand for a new drink using the mean-end chain (MEC) theory and multivariate SEM procedure. The first … part is dedicated to description of specialty foods for their capacity to create new niche markets. The MEC theory is …
Persistent link: https://www.econbiz.de/10009443822
Background: An important issue in prediction modeling of multivariate data is the measure of dependence structure. The use of Pearson's correlation as a dependence measure has several pitfalls and hence application of regression prediction models based on this correlation may not be an...
Persistent link: https://www.econbiz.de/10009447258
In this thesis, a new univariate-multivariate portmanteau test is derived. The proposed test statistic can be used for diagnostic checking ARMA, VAR, FGN, GARCH, and TAR time series models as well as for checking randomness of series and goodness-of- fit VAR models with stable Paretian errors....
Persistent link: https://www.econbiz.de/10009447289
Univariate hierarchical Bayes models are being vigorously researched for use in disease mapping, engineering, geology, and ecology. This dissertation shows how the models can also be used to build modelbased risk maps for areabased roadway traffic crashes. Countylevel vehicle crash records and...
Persistent link: https://www.econbiz.de/10009464983
Proportional hazards analyses assume that the magnitude of mortality risk for a predictor variable remains proportional over time. In a time-dependent model, the explanatory variable violates this assumption, and repeat observations are required to accommodate the change in risk that occurs over...
Persistent link: https://www.econbiz.de/10009466015
Proportional hazards analyses assume that the magnitude of mortality risk for a predictor variable remains proportional over time. In a time-dependent model, the explanatory variable violates this assumption, and repeat observations are required to accommodate the change in risk that occurs over...
Persistent link: https://www.econbiz.de/10009466068
The last decades were marked with an increasing involvement of multi-product manufacturers into cross-border business activities. Dealing with heterogeneous needs of consumers in different countries is one of the biggest challenges in the modern business. Correspondingly, special importance is...
Persistent link: https://www.econbiz.de/10009468265