measure of deviation
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Deviation analysis — may mean; in statistics; measurement of the absolute difference between any one number in a set and the mean of the set. in social psychology; monitoring of the behavior of people or objects within systems to measure compliance with expected or… … Wikipedia
Deviation risk measure — In financial mathematics, a deviation risk measure is a function to quantify financial risk (and not necessarily downside risk) in a different method than a general risk measure. Deviation risk measures generalize the concept of standard… … Wikipedia
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
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
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
Absolute deviation — In statistics, the absolute deviation of an element of a data set is the absolute difference between that element and a given point. Typically the point from which the deviation is measured is a measure of central tendency, most often the median… … Wikipedia
Root-mean-square deviation — For the application of root mean square deviation to bioinformatics, see Root mean square deviation (bioinformatics). The root mean square deviation (RMSD) or root mean square error (RMSE) is a frequently used measure of the differences between… … Wikipedia
Coherent risk measure — In the field of financial economics there are a number of ways that risk can be defined; to clarify the concept theoreticians have described a number of properties that a risk measure might or might not have. A coherent risk measure is a function … Wikipedia
standard deviation — A standard deviation tells us how much specific examples vary from the average in a particular set. Thus, the larger the standard deviation, the more diverse/volatile are the examples. The more volatile the examples, the less predictable and… … Financial and business terms
Root mean square deviation — The root mean square deviation (RMSD) ( also root mean square error (RMSE) ) is a frequently used measure of the differences between values predicted by a model or an estimator and the values actually observed from the thing being modeled or… … Wikipedia
Median absolute deviation — In statistics, the median absolute deviation (MAD) is a robust measure of the variability of a univariate sample of quantitative data. It can also refer to the population parameter that is estimated by the MAD calculated from a sample. For a… … Wikipedia
