Coefficient of Determination
- Coefficient of Determination
- A measure used in statistical model analysis to assess how well a model explains and predicts future outcomes. It is indicative of the level of explained variablity in the model. The coefficient, also commonly known as R-square, is used as a guideline to measure the accuracy of the model.
One use of the coefficient of determination is to test the goodness of fit of the model. It is expressed as a value between zero and one. A value of one indicates a perfect fit, and therefore, a very reliable model for future forecasts. A value of zero, on the other hand, would indicate that the model fails to accurately model the dataset.
Investment dictionary.
Academic.
2012.
Look at other dictionaries:
Coefficient of determination — In statistics, the coefficient of determination R2 is used in the context of statistical models whose main purpose is the prediction of future outcomes on the basis of other related information. It is the proportion of variability in a data set… … Wikipedia
Coefficient de détermination — Régression linéaire multiple Pour les articles homonymes, voir Régression. Sommaire 1 Modèle théorique 1.1 Exemple 1.2 E … Wikipédia en Français
Coefficient of determination — A measure of the goodness of fit of the relationship between the dependent and independent variables in a regression analysis; for instance, the percentage of variation in the return of an asset explained by the market portfolio return. The New… … Financial and business terms
coefficient of determination — A measure of the goodness of fit of the relationship between the dependent and independent variables in a regression analysis; for instance, the percentage of variation in the return of an asset explained by the market portfolio return. Also… … Financial and business terms
Determination — may refer to: Determination (God Forbid album), 2001 Determination (Tommy Emmanuel album), 1992 Cell fate determination Co determination Coefficient of determination Expert determination Hidden surface determination Orbit determination… … Wikipedia
Coefficient de corrélation multiple — Régression linéaire multiple Pour les articles homonymes, voir Régression. Sommaire 1 Modèle théorique 1.1 Exemple 1.2 E … Wikipédia en Français
Coefficient of variation — In probability theory and statistics, the coefficient of variation (CV) is a normalized measure of dispersion of a probability distribution. It is also known as unitized risk or the variation coefficient. The absolute value of the CV is sometimes … Wikipedia
Determination des constantes d'equilibre — Détermination des constantes d équilibre Les constantes d équilibre sont évaluées pour quantifier les équilibres chimiques à partir de mesures de concentrations, directes ou indirectes, et mettant en œuvre des techniques numériques. Cet article… … Wikipédia en Français
Coefficient diagram method — (CDM), developed and introduced by Prof. Shunji Manabe in 1991. CDM is an algebraic approach applied to a polynomial loop in the parameter space, where a special diagram called a coefficient diagram is used as the vehicle to carry the necessary… … Wikipedia
Determination de la constante d'expansion de l'univers — Détermination de la constante de Hubble Sommaire 1 Introduction 2 Données et résultats d’observations 2.1 Premières recherches et outils physiques utilisés 2.1.1 … Wikipédia en Français
