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Portfolio optimization is the process of selecting an optimal portfolio (asset distribution), out of a set of considered portfolios, according to some objective.The objective typically maximizes factors such as expected return, and minimizes costs like financial risk, resulting in a multi-objective optimization problem.
The one-factor-at-a-time method, [1] also known as one-variable-at-a-time, OFAT, OF@T, OFaaT, OVAT, OV@T, OVaaT, or monothetic analysis is a method of designing experiments involving the testing of factors, or causes, one at a time instead of multiple factors simultaneously.
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An assailant attacked and killed two women with a knife Thursday at a shopping center in the Czech Republic, officials said, and a Czech teenager later was arrested for the crime. A motive was not ...
Journal ranking is widely used in academic circles in the evaluation of an academic journal's impact and quality. Journal rankings are intended to reflect the place of a journal within its field, the relative difficulty of being published in that journal, and the prestige associated with it.
— Francis Bacon, Novum Organum [3] In this situation, the term hidden variables is commonly used (reflecting the fact that the variables are meaningful, but not observable). Other latent variables correspond to abstract concepts, like categories, behavioral or mental states, or data structures.
EDI provides a technical basis for automated commercial "conversations" between two entities, either internal or external. The term EDI encompasses the entire electronic data interchange process, including the transmission, message flow, document format, and software used to interpret the documents.
A commonly used likelihood-based model to accommodate to a censored sample is the Tobit model, [1] but quantile and nonparametric estimators have also been developed. [2] [3] These and other censored regression models are often confused with truncated regression models. Truncated regression models are used for data where whole observations are ...