negative deviation

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• Deviation — De|vi|a|ti|on 〈[ vi ] f. 20〉 1. Abweichung von der Richtung, vom vorgeschriebenen Weg 2. Ablenkung der Kompassnadel 3. 〈Statistik〉 Abweichung vom Mittelwert 4. 〈biolog. Stammesgeschichte〉 Abweichung der Merkmale einer Art von denen ihrer Stammart …   Universal-Lexikon

• Deviation (statistics) — In mathematics and statistics, deviation is a measure of difference for interval and ratio variables between the observed value and the mean. The sign of deviation (positive or negative), reports the direction of that difference (it is larger… …   Wikipedia

• Negative binomial distribution — Probability mass function The orange line represents the mean, which is equal to 10 in each of these plots; the green line shows the standard deviation. notation: parameters: r > 0 number of failures until the experiment is stopped (integer,… …   Wikipedia

• Negative volume index — Nearly 75 years have passed since Paul L. Dysart, Jr. invented the Negative Volume Index and Positive Volume Index indicators. The indicators remain useful to identify primary market trends and reversals. In 1936, Paul L. Dysart, Jr. began… …   Wikipedia

• Negative pledge — Contract law Part o …   Wikipedia

• deviation — 1. A turning away or aside from the normal point or course. 2. An abnormality. 3. In psychiatry and the behavioral sciences, a departure from an accepted norm, role, or rule. SYN: deviance. 4. A statistical measure representing the …   Medical dictionary

• Deviation from proportionality — The main function of deviation from proportionality is to denote the proportion of malapointment in a democratic process. The idea is basically a mathematical relationship between the percentage of votes obtained by a political party and the… …   Wikipedia

• Standard deviation — In probability and statistics, the standard deviation is a measure of the dispersion of a collection of values. It can apply to a probability distribution, a random variable, a population or a data set. The standard deviation is usually denoted… …   Wikipedia

• Downside Deviation — A measure of downside risk that focuses on returns that fall below a minimum threshold or minimum acceptable return (MAR). It is used in the calculation of a risk measure known as the Sortino Ratio. Standard deviation, the most widely used… …   Investment dictionary

• Loi binomiale négative — Binomiale négative Densité de probabilité / Fonction de masse La ligne rouge représente la moyenne et la ligne verte a pour longueur approximativement 2σ. Paramètres (réel) …   Wikipédia en Français

• Unbiased estimation of standard deviation — In statistics, the standard deviation is often estimated from a random sample drawn from the population. The most common measure used is the sample standard deviation , which is defined by:s = sqrt{frac{1}{n 1} sum {i=1}^n (x i… …   Wikipedia