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Topics referred to by the same term
Look up deviate, deviated, deviates, or deviation in Wiktionary, the free dictionary. Deviation may refer to: Allowance (engineering), an engineering
Deviation
Measure of variation in statistics
standard deviation is a measure of the amount of variation of the values of a variable about its (arithmetic) average. A low standard deviation indicates
Standard_deviation
Difference between a variable's observed value and a reference value
In mathematics and statistics, deviation serves as a measure to quantify the disparity between an observed value of a variable and another designated
Deviation_(statistics)
Vertical misalignment of the eyes
Skew deviation is an unusual ocular deviation (strabismus), wherein the eyes move upward (hypertropia) in opposite directions. Skew deviation is caused
Skew_deviation
Breach of air traffic regulation or air traffic control instruction
air traffic control. Pilot deviations can be split into ground- and airborne deviations. Examples of airborne deviations are when a pilot fails to report
Pilot_deviation
Risk metric quantifying variability of returns around their expected value
In financial mathematics, a deviation risk measure is a function to quantify financial risk (and not necessarily downside risk) in a different method
Deviation_risk_measure
Condition when the angle of deviation is minimal in a prism
deviation (δ) decreases with increase in the angle of incidence (i) up to a particular angle. This angle of incidence, where the angle of deviation in
Minimum_deviation
Bending of trajectories in general relativity by a tidal force
differential geometry, the geodesic deviation equation is more commonly known as the Jacobi equation. To quantify geodesic deviation, one begins by setting up a
Geodesic_deviation
Disorder of the nose
Nasal septum deviation is a physical disorder of the nose, involving a displacement of the nasal septum. Some displacement is common, affecting 80% of
Nasal_septum_deviation
Statistical measure
The root mean square deviation (RMSD) or root mean square error (RMSE) is a frequently used measure of the distances between actual observed values and
Root_mean_square_deviation
Concept in radio transmission
Frequency deviation ( f Δ {\displaystyle f_{\Delta }} ) is used in FM radio to describe the difference between the minimum or maximum extent of a frequency
Frequency_deviation
Person who expresses a deviation: an abnormality or departure
deviationist is a person who expresses a deviation: an abnormality or departure. In Stalinist ideology and practice, deviationism is an expressed belief which does
Deviationism
Statistical measure of variability
In statistics, the median absolute deviation (MAD), also referred to as the median absolute deviation from the median (MADFM), is a robust or outlier-resistant
Median_absolute_deviation
In game theory, the one-shot deviation principle (also known as the single-deviation property) is a principle used to determine whether a strategy in
One-shot_deviation_principle
Summary statistic of variability
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
Average_absolute_deviation
Compass error induced by local fields
Magnetic deviation is the compass error caused by local magnetic fields generated by nearby ferrous materials or electrical equipment, which distort the
Magnetic_deviation
Medical condition
is considered left axis deviation. If the electrical axis is between +90° and +180° this is considered right axis deviation (RAD). RAD is an ECG finding
Right_axis_deviation
Topics referred to by the same term
Look up standard deviation in Wiktionary, the free dictionary. Standard deviation is a widely used measure of variability or diversity used in statistics
Standard deviation (disambiguation)
Standard_deviation_(disambiguation)
Branch of probability theory
theory of large deviations concerns the asymptotic behaviour of remote tails of sequences of probability distributions. The large deviation theory is simply
Large_deviations_theory
Atypical sexual attraction
introduction of the term paraphilia in the DSM-III (1980), the term sexual deviation was used to refer to paraphilias in the first two editions of the manual
Paraphilia
Heart condition
In electrocardiography, left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal
Left_axis_deviation
Relative measure of dispersion expressed as the ratio of standard deviation to the mean
variation (CV), also known as normalized root-mean-square deviation (NRMSD), and relative standard deviation (RSD), is a standardized measure of dispersion of
Coefficient_of_variation
Measure of statistical dispersion
the first and third quartiles), half the IQR equals the median absolute deviation (MAD). The median is the corresponding measure of central tendency. The
Interquartile_range
How many standard deviations apart from the mean an observed datum is
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)
Standard_score
Hand deformity
Ulnar deviation, also known as ulnar drift, is a hand deformity in which the swelling of the metacarpophalangeal joints (the big knuckles at the base
Ulnar_deviation
1998 Irish film
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
Fatal_Deviation
Atmospheric optical phenomenon
then the angle of deviation θ deviation {\displaystyle \theta _{\text{deviation}}} can be derived from Snell's law: θ deviation = θ incidence + sin
22°_halo
Section of the original Main Western railway line
The Dargans Deviation was a section of the original Main Western railway line over the Blue Mountains in New South Wales, Australia. It was constructed
Dargans_Deviation
Clinical sign
Tracheal deviation is a clinical sign that results from unequal intrathoracic pressure within the chest cavity. It is most commonly associated with traumatic
Tracheal_deviation
Topics referred to by the same term
Mean deviation may refer to: Mean signed deviation, a measure of central tendency Mean absolute deviation, a measure of statistical dispersion Mean squared
Mean_deviation
American online art community
reached a new content milestone in 2025, with nearly 100 million new deviations submitted. The submissions spanned 150 major categories and used approximately
DeviantArt
the deviation of a poset is an ordinal number measuring the complexity of a poset. A poset is also known as a partially ordered set. The deviation of a
Deviation_of_a_poset
The doctrine of deviation is a particular aspect of contracting for the carriage of goods by sea. A deviation is a departure from the "agreed route" or
Deviation_(law)
Categorisation of people's intelligence based on IQ
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
IQ_classification
Statistical measure
the more usual standard deviation. Note that unlike the usual arithmetic standard deviation, the geometric standard deviation is a multiplicative factor
Geometric_standard_deviation
Games played in gambling facilities
luck factor in a casino game is quantified using standard deviations (SD). The standard deviation of a simple game like roulette can be calculated using
Casino_game
Business process improvement technique
reference to the fraction of a normal curve that lies within six standard deviations of the mean, used to represent a defect rate. Motorola pioneered Six Sigma
Six_Sigma
Procedure to estimate standard deviation from a sample
estimation of a standard deviation is the calculation from a statistical sample of an estimated value of the standard deviation (a measure of statistical
Unbiased estimation of standard deviation
Unbiased_estimation_of_standard_deviation
Heritage listed railway tunnels in New South Wales, Australia
The Ten Tunnels Deviation is a heritage-listed 9.2-kilometre (5.7 mi) section of the Main Western Line between Newnes Junction and Zig Zag stations in
Ten_Tunnels_Deviation
1964 book
Sexual Deviation is a book by Anthony Storr. It discusses topics such as Paraphilia and Homosexuality from a Psychiatry and Biology perspective. The Man
Sexual_Deviation_(book)
Section of railway line in Wellington, New Zealand
The 8.38 miles (13.49 km) Tawa Flat deviation is a double-track section of the Kāpiti Line just north of Wellington, New Zealand, with two tunnels; the
Tawa_Flat_deviation
Branch of Orthodox Judaism
contemporary expressions of Judaism, including Modern Orthodoxy, as "deviations from God's laws", though other movements of Judaism would disagree. As
Haredi_Judaism
Voting system that makes outcomes proportional to vote totals
Proportional representation (PR) is achieved by any electoral system under which subgroups of an electorate are reflected proportionately in the elected
Proportional_representation
Avionics instrument
A course deviation indicator (CDI) is an avionics instrument used in aircraft navigation to determine an aircraft's lateral position in relation to a
Course_deviation_indicator
Deviation of time source
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
Time_deviation
Unit for the arithmetic difference of two percentages
the standard deviation is confusing, since percentage is also used as a unit for the relative standard deviation, i.e. standard deviation divided by average
Percentage_point
Compass direction
of compass deviation. The error can be corrected using a deviation table. Deviation tables are very difficult to create. Once a deviation table is established
Heading_(navigation)
Probability function
In large deviations theory, a rate function is a function used to quantify the probabilities of rare events. Such functions are used to formulate large
Rate_function
Medical condition
Déviation conjuguée, also termed conjugate eye deviation (CED) or ipsilesional gaze shift, is a medical sign indicating brain damage (e.g. a stroke in
Déviation_conjuguée
Former railway line and nature walk in Hampshire, England
The Funtley Deviation was a 2-mile (3.2 kilometres) long double track railway opened as a single line in 1904 and as a double line in 1906 to provide
Funtley_Deviation
Statistical property
The standard error (SE) of a statistic is the standard deviation of its sampling distribution. It is the square root of the variance of an estimator of
Standard_error
statistics, the standard deviation line (or SD line) marks points on a scatter plot that are an equal number of standard deviations away from the average
Standard_deviation_line
Statistical amount
variable. Its expected value and standard deviation are related to the expected values and standard deviations of the observations, as follows. For simplicity
Weighted_arithmetic_mean
Measure of frequency stability in clocks and oscillators
mathematically as σ y 2 ( τ ) {\displaystyle \sigma _{y}^{2}(\tau )} . The Allan deviation (ADEV), also known as sigma-tau, is the square root of the Allan variance
Allan_variance
Measure of the error of an estimator
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures
Mean_squared_error
Formula for measuring financial risk
returns of the investment and the risk-free return, divided by the standard deviation of the investment returns. It represents the additional amount of return
Sharpe_ratio
Law of thermodynamics for vapour pressure of a mixture
intermolecular forces. If the vapor pressure is less than predicted (a negative deviation), fewer molecules of each component than expected have left the solution
Raoult's_law
2006 American film
Deviation is a 2006 short film that was the first short film in the machinima genre to be premiered in competition at a major film festival, the Tribeca
Deviation_(2006_film)
Topics referred to by the same term
Urinary deviation may refer to: Urinary tract malformation Surgically created urinary diversion This disambiguation page lists articles associated with
Urinary_deviation
4th episode of the 4th season of The Big Bang Theory
"The Hot Troll Deviation" is the fourth episode of the fourth season of the US sitcom The Big Bang Theory and the 67th episode of the show overall. It
The_Hot_Troll_Deviation
Test statistic
in goodness of fit testing. It is also known as mean squared weighted deviation (MSWD) in isotopic dating and variance of unit weight in the context of
Reduced_chi-squared_statistic
Medical diagnostic method
or a deviation of the eye. It is used by ophthalmologists, orthoptists, and optometrists in order to measure the vertical and horizontal deviation and
Prism_cover_test
Correction for sample variance bias
instead of n in the formula for the sample variance and sample standard deviation, where n is the number of observations in a sample. This method corrects
Bessel's_correction
Statistical measure of how far values spread from their average
defined as the expected value of the squared deviation from the mean of a random variable. The standard deviation is the square root of the variance. Technically
Variance
Shorthand used in statistics
95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean, respectively. In mathematical notation, these facts can be
68–95–99.7_rule
Rating system for players of skill-based games
TETR.IO. The Ratings Deviation (RD) measures the accuracy of a player's rating, where the RD is equal to one standard deviation. For example, a player
Glicko_rating_system
Chinese political campaign launched in 1959
The Anti-Right Deviation Struggle (simplified Chinese: 反右倾斗争; traditional Chinese: 反右傾鬥爭), also known as the Anti-Right Deviation Campaign (simplified
Anti-Right_Deviation_Struggle
Calculations in probability theory
Squared deviations from the mean (SDM) result from squaring deviations. In probability theory and statistics, the definition of variance is either the
Squared deviations from the mean
Squared_deviations_from_the_mean
1980 film by Stanley Kubrick
the time of its release were mixed; King criticized the film due to its deviations from the novel, which led King to produce in 1997 a three-part miniseries
The_Shining_(film)
1971 Swedish film
Deviation is a 1971 Swedish exploitation thriller film written and directed by José Ramón Larraz and starring Karl Lanchbury, Lisbet Lundquist, Malcolm
Deviation_(1971_film)
statistics, the mean signed difference (MSD), also known as mean signed deviation, mean signed error, or mean bias error is a sample statistic that summarizes
Mean_signed_deviation
Film by Ridley Scott
films, so he hired several historians as advisors. Nevertheless, multiple deviations from historical accuracy were made to increase interest, maintain narrative
Gladiator_(2000_film)
Examination to determine eye misalignment
test is an objective determination of the presence and amount of ocular deviation. It is typically performed by orthoptists, ophthalmologists and optometrists
Cover_test
Measure of income inequality
In statistics and econometrics, the mean log deviation (MLD) is a measure of income inequality. The MLD is zero when everyone has the same income, and
Mean_log_deviation
Degree of variation of a trading price series over time
of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of
Volatility_(finance)
Medical condition
"other sexual deviation". No definition or examples were provided for "other sexual deviation" but the general category of sexual deviation was meant to
Paraphilic_disorder
Angle on the horizontal plane between magnetic north and true north
frequently used as the symbol for magnetic declination. The term magnetic deviation is sometimes used loosely to mean the same as magnetic declination, but
Magnetic_declination
Form of strabismus in which the eyes turn inward
It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called "lazy eye",
Esotropia
Measurement of ambient electromagnetic field
then sent to a spectrum analyzer with a 50 Ω common RF cable. Isotropic deviation, in EMF measurements, is a parameter that describes the accuracy in measuring
EMF_measurement
Tool to assess control of a manufacturing process
standard deviation, the [clarification needed] does not make the assumption of homogeneity of process over time that the standard deviation makes. Upper
Control_chart
Road in Brisbane, Australia
Deagon Deviation is a major road in Brisbane, Queensland, Australia. It provides part of the road connection between the Brisbane CBD and Redcliffe (via
Deagon_Deviation
Clock deviation from perfect periodicity
In electronics and telecommunications, jitter is the deviation from true periodicity of a presumably periodic signal, often in relation to a reference
Jitter
1928–1930 faction of the Soviet Communist Party
The Right Opposition or Right Tendency in the All-Union Communist Party (Bolsheviks) was a label formulated by Joseph Stalin in Autumn of 1928 for the
Right_Opposition
Geometric condition for workpieces and tools
defined, quantitative ways of defining flatness operationally. Flatness deviation may be defined in terms of least squares fit to a plane ("statistical
Flatness_(manufacturing)
Statistical optimality criterion
Least absolute deviations (LAD), also known as least absolute errors (LAE), least absolute residuals (LAR), or least absolute values (LAV), is a statistical
Least_absolute_deviations
Optical phenomenon of the sky
to the deviation angles of the primary and secondary rainbows. Both bows exist due to an optical effect called the angle of minimum deviation. The refractive
Alexander's_band
Concept in mathematical modelling
In statistics, explained variation measures the proportion to which a mathematical model accounts for the variation (dispersion) of a given data set. Often
Explained_variation
a RFW are identical to those for a deviation, and the terms deviation and waiver were often confused. A deviation from the contractual performance requirements
Request_for_waiver
Bound on probability of a random variable being far from its mean
Bienaymé–Chebyshev inequality) provides an upper bound on the probability of deviation of a random variable (with finite variance) from its mean. More specifically
Chebyshev's_inequality
Political and socioeconomic ideology
Marx and Lenin. It also contains aspects which according to some are deviations from Marxism such as socialism in one country. Marxism–Leninism was the
Communism
Eye medical condition
Dissociated vertical deviation (DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is
Dissociated vertical deviation
Dissociated_vertical_deviation
Structure used in construction of overhead power lines
A dead-end tower (also tension tower, anchor tower, anchor pylon) is a fully self-supporting structure used in construction of overhead power lines. A
Dead-end_tower
Railway line in New Zealand
The Mangaweka Deviation is a 7 km single track deviation of the North Island Main Trunk (NIMT) railway line in the central North Island of New Zealand
Mangaweka_deviation
Measure of prediction accuracy of a forecast
absolute percentage error (MAPE), also known as mean absolute percentage deviation (MAPD), is a measure of prediction accuracy of a forecasting method in
Mean absolute percentage error
Mean_absolute_percentage_error
The Hering–Hillebrand deviation describes the mismatch between the theoretical and empirical horopter. The horopter is the set of points that projects
Hering–Hillebrand_deviation
Railway line in New Zealand running between Auckland and Wellington
Milson deviation on the edge of Palmerston North took trains away from the centre of the city. Between 1973 and 1981, the major Mangaweka deviation in the
North_Island_Main_Trunk
Medical condition
Gait deviations are nominally referred to as any variation of standard human gait, typically manifesting as a coping mechanism in response to an anatomical
Gait_deviations
Rail line in New South Wales, Australia
The Glenbrook deviation was a section of track on the Main Western line from the first Knapsack Viaduct to old Glenbrook station in the Blue Mountains
Glenbrook_Deviation_(1892)
Artificial intelligence model developed by TypeSafe AI
probability-weighted average absolute deviation around the mode, andMADunif:=1n∑i=0n−1|i−n−12|is the average absolute deviation of an even spread around the middle
Jev_(AI_model)
Table of probabilities related to the normal distribution
mean of 0 and a standard deviation of 1. If X is a random variable from a normal distribution with mean μ and standard deviation σ, its Z-score may be calculated
Standard_normal_table
travel, tourism, insurance
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travel, tourism, insurance