نتایج جستجو برای: mixed matrix
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The lme4 package uses sparse matrix technology and clever decompositions of the likelihood to fit linear, generalized, and nonlinear mixed-effects models. The amer package extends lme4’s scope to include generalized additive mixed models (GAMM). This vignette summarizes the main ideas behind additive models and their representation in the form of a mixed model, describes the modifications to lm...
In this paper, a novel heuristic method which is applied to solving the mixed process signal separation problem is presented. Based on a stochastic searching technique, the proposed method performs simultaneously the estimation of the demixing and corresponding second moment (covariance) matrices so as to separate mixed process signals arising from several original sources. It hinges on one of ...
Magnetic Langmuir-Blodgett films of four ferritin derivatives with different iron contents containing 4220, 3062, 2200, and 1200 iron atoms, respectively, have been prepared by using the adsorption properties of a 6/1 mixed monolayer of methyl stearate (SME) and dioctadecyldimethylammonium bromide (DODA). The molecular organization of the mixed SME/DODA monolayer is strongly affected by the pre...
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