Time deviation (TDEV), also known as σ x ( τ ) {\displaystyle \sigma _{x}(\tau )} , measures the time stability of a clock source's phase over an observation...

statistics, the standard deviation is a measure of the amount of variation of the values of a variable about its mean. A low standard deviation indicates that the...

and the Hadamard variance. There also exist time-stability variants such as time deviation (TDEV) or time variance (TVAR). Allan variance and its variants...

official party doctrine for the time and area. Accusations of deviationism often led to purges. Forms of deviationism included revisionism, dogmatism...

Reference Systems Service Time and Frequency Standards Laboratory Time deviation (from Ancient Greek χρόνος (khrónos) 'time' and μέτρον (métron) 'measure')...

line (deviation from being vertical) gives the relative velocity to the observer. In the Newtonian description these changes are such that time is absolute:...

use half-hour or quarter-hour deviations from standard time. Some countries, such as China and India, use a single time zone even though the extent of...

The root mean square deviation (RMSD) or root mean square error (RMSE) is either one of two closely related and frequently used measures of the differences...

The average absolute deviation (AAD) of a data set is the average of the absolute deviations from a central point. It is a summary statistic of statistical...

also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation (RSD), is a standardized measure of dispersion...

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...

of forecast error in time series analysis, sometimes used in confusion with the more standard definition of mean absolute deviation. The same confusion...

nanoseconds during the westward trip (where the error bars represent standard deviation). In 2005, the National Physical Laboratory in the United Kingdom reported...

the standard deviation of its sampling distribution or an estimate of that standard deviation. In other words, it is the standard deviation of statistic...

time can be crudely measured by a sundial. The length of a solar day varies through the year, and the accumulated effect produces seasonal deviations...

Mahalanobis distance Data as time series with envelopes Global standard deviation Local standard deviation Windowed standard deviation Data interpreted as stochastic...

Magnetic deviation is the error induced in a compass by local magnetic fields, which must be allowed for, along with magnetic declination, if accurate...

other methods for calculating forecast errors, such as root-mean-square-deviation, and is therefore recommended for determining comparative accuracy of...

Fatal Deviation is a 1998 Irish low-budget cult film produced and set in Trim, County Meath, Ireland. It serves the distinction of being Ireland's first...

standard deviation above the mean, while a score of 85 means performance one standard deviation below the mean, and so on. This "deviation IQ" method...

system also faced a challenge to its legitimacy. Common grievances at the time included inflation, corruption, limited preparedness of graduates for the...

such as particular patterns of worship or rites, that developed over time. Deviations from such patterns are sometimes considered unacceptable by followers...

In probability theory, the theory of large deviations concerns the asymptotic behaviour of remote tails of sequences of probability distributions. While...

In bioinformatics, the root mean square deviation of atomic positions, or simply root mean square deviation (RMSD), is the measure of the average distance...

widely accepted as a variant of human sexuality, was at one time discussed as a sexual deviation. Sigmund Freud and subsequent psychoanalytic thinkers considered...

given period of time. Time deviation (TDEV) is a statistical analysis of the phase stability of a signal over a given period of time. PDH, SDH and SONET...

In statistics, the standard score or z-score is the number of standard deviations by which the value of a raw score (i.e., an observed value or data point)...

conventional or non-robust measures of scale, such as sample standard deviation, which are greatly influenced by outliers. The most common such robust...

entre la hora solar y la oficial" [Soon dawns here: map of the deviation between solar time and official] (in Spanish). Wordpress – Fronteras. 10 August...

estimation of a standard deviation is the calculation from a statistical sample of an estimated value of the standard deviation (a measure of statistical...