نتایج جستجو برای: principal components analysis

تعداد نتایج: 3173289  

امین شیروانی, , سید محمد جعفر ناظم‌السادات, ,

Since the fluctuations of the Persian Gulf Sea Surface Temperature (PGSST) have a significant effect on the winter precipitation and water resources and agricultural productions of the south western parts of Iran, the possibility of the Winter SST prediction was evaluated by multiple regression model. The time series of PGSSTs for all seasons, during 1947-1992, were considered as predictors, an...

2008

Note that SPSS does not provide statistical significance tests for any of the estimated parameters (such as loadings), nor does it provide confidence intervals. Judgments about the adequacy of a oneor two-component model are not made based on statistical significance tests, but by making arbitrary judgments whether the model that is limited to just one or two components does an adequate job of ...

کریمی, کریم,

Effective management of genetic resources in the domestic animals is based on characterization of genetic structure and diversity among populations. Strategies reducing complexity and dimensions of data are required to analyze the genetic relationships between populations based on dense genomic data. The objective of this study was to use the discriminant analysis of principal components (DAPC)...

Journal: :Foundations of Computational Mathematics 2022

Abstract Quiver representations arise naturally in many areas across mathematics. Here we describe an algorithm for calculating the vector space of sections, or compatible assignments vectors to vertices, any finite-dimensional representation a finite quiver. Consequently, are able define and compute principal components with respect quiver representations. These solutions constrained optimisat...

Journal: :Journal of Computational Physics 2014

Journal: :Journal of the American Statistical Association 2006

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