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FACTOR INTERACTION IN NONLINEAR FACTOR ANALYSIS

British Journal of Mathematical and Statistical Psychology, 1967
Factor interaction models are defined as those cases in nonlinear factor analysis in which the specification equation contains products of two or more latent variables or functions of latent variables. A complete algebraic treatment is given for the case of a product of two latent variables, and certain more general cases are briefly outlined.
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Factors Timing Factors

The Journal of Portfolio Management, 2017
It is common practice to refer to a factor premium’s current valuation when assessing its attractiveness—in effect using a single-value-factor model to gauge whether the factor is rich, fairly valued, or cheap. Meanwhile, studies have investigated how some factor premia are exposed to other factor premia in order to characterize their behavior over ...
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Pharmacokinetics of factor VIII and factor IX

Haemophilia, 2003
Summary. A survey of principal pharmacokinetic (PK) studies on factor VIII (FVIII) and factor IX (FIX) plasma‐ and rDNA‐derived concentrates, analysed by means of the PKRD program, has been performed. Notwithstanding the accurate definition of the study design, released in 1991 by the Scientific and Standardization Committee of the International ...
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Activation of Factor IX by Factor XIa

Trends in Cardiovascular Medicine, 2000
Blood coagulation factor IX is activated during hemostasis by two distinct mechanisms. Activation through factor VIIa/tissue factor occurs early in the course of fibrin clot formation. Activation by factor XIa appears to be important for maintaining the integrity of the clot over time.
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Factoring Effectivess Factors!

Journal of the Operational Research Society, 1990
M J Foster, A R Lock
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