Ratio d'information

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• Ratio D'information — Le ratio d information est un ratio égal au rendement moyen d’un actif par rapport à la moyenne d un point de référence, divisée par l erreur de suivi de ce dernier. Il s’agit donc d’un indicateur synthétique de l’efficacité du couple… …   Wikipédia en Français

• Information ratio — measures the active return of an investment manager divided by the amount of risk the manager takes relative to a benchmark. It is used in the analysis of performance of mutual funds, hedge funds, etc. Specifically, the information ratio is… …   Wikipedia

• Ratio Studiorum — • The educational system of the Jesuits Catholic Encyclopedia. Kevin Knight. 2006. Ratio Studiorum     Ratio Studiorum     † …   Catholic encyclopedia

• Ratio — ist ein lateinischer Begriff und wird häufig mit Vernunft oder Verstand übersetzt. In der Mathematik dagegen bedeutet das Wort meist „Verhältnis“ beziehungsweise „Quotient“ und weist darauf hin, dass eine Größe zu einer anderen in Beziehung… …   Deutsch Wikipedia

• Information overload — refers to excess amounts of information being provided, making the processing and absorbing tasks very difficult for the individual because we cannot see the validity behind the information (Yang, 2003 [Yang, C.C. (2003) Decision Support Systems …   Wikipedia

• information theory — the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and esp. by means of computers. [1945 50] * * * ▪ mathematics Introduction       a mathematical… …   Universalium

• information ratio — Indicator that measures the stability of excess returns on an asset or group of assets relative to a benchmark. The information ratio divides this outperformance by its tracking error ( i.e. the standard deviation of the outperformance). A high… …   Financial and business terms

• Information Ratio - IR — A ratio of portfolio returns above the returns of a benchmark (usually an index) to the volatility of those returns. The information ratio (IR) measures a portfolio manager s ability to generate excess returns relative to a benchmark, but also… …   Investment dictionary

• Information entropy — Während ordinale Insolvenzprognosen lediglich eine Reihung von Unternehmen entsprechend den erwarteten Ausfallwahrscheinlichkeiten vornehmen, ordnen kardinale Insolvenzprognosen jedem Unternehmen explizit eine Ausfallwahrscheinlichkeit zu.[1]… …   Deutsch Wikipedia

• Ratio distribution — A ratio distribution (or quotient distribution ) is a statistical distribution constructed as the distribution of the ratio of random variables having two other distributions.Given two stochastic variables X and Y , the distribution of the… …   Wikipedia