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The variation ratio is a simple measure of statistical dispersion in nominal distributions; it is the simplest measure of qualitative variation. It is
Variation_ratio
Relative measure of dispersion expressed as the ratio of standard deviation to the mean
epidemiology, and in psychology/neuroscience. The coefficient of variation (CV) is defined as the ratio of the standard deviation σ {\displaystyle \sigma } to the
Coefficient_of_variation
Ratio of males to females in a population
African countries, the ratio is 1.03, but with considerable country-to-country variation. There is controversy about whether sex ratios outside the 1.03–1
Human_sex_ratio
Ratio of lengths of fingers
that digit ratio is also affected by postnatal development. Similarly, a study of people from Poland found statistically significant variation in 2D:4D
Digit_ratio
Statistical dispersion in nominal distributions
of qualitative variation (IQV) is a measure of statistical dispersion in nominal distributions. Examples include the variation ratio or the information
Qualitative_variation
Number, approximately 1.618
In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed
Golden_ratio
Ratio of the desired signal to the background noise
definition of SNR is as the reciprocal of the coefficient of variation, i.e., the ratio of mean to standard deviation of a signal or measurement: S N
Signal-to-noise_ratio
Indicator of health or fertility
The waist–hip ratio or waist-to-hip ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips. This is calculated as
Waist–hip_ratio
Property of two varying quantities with a constant ratio
constant can be expressed as the ratio: k = y x . {\displaystyle k={\frac {y}{x}}.} It is also called the constant of variation or constant of proportionality
Proportionality_(mathematics)
Ratio of an aircraft's wing span to its mean chord
to the ratio of span to chord. Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing has a low aspect ratio. Aspect ratio and other
Aspect_ratio_(aeronautics)
Financial metric
price–earnings ratio, also known as P/E ratio, P/E, or PER, is the ratio of a company's share price to the company's earnings per share. The ratio is used for
Price–earnings_ratio
Stock market valuation measure
time variation is that CAPE does not take into account prevailing risk-free rates of return. Thus, a common debate is whether the inverse CAPE ratio should
Cyclically adjusted price-to-earnings ratio
Cyclically_adjusted_price-to-earnings_ratio
Height/width proportion of an image
The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, in the format width:height.
Aspect_ratio_(image)
Formula for measuring financial risk
In finance, the Sharpe ratio (also known as the Sharpe index, the Sharpe measure, and the reward-to-variability ratio) measures the performance of an investment
Sharpe_ratio
Statistic quantifying the association between two events
odds ratio (OR) is a statistic that quantifies the strength of the association between two events, A and B. The odds ratio is defined as the ratio of the
Odds_ratio
Differential calculus on function spaces
The calculus of variations (or variational calculus) is a field of mathematical analysis that uses variations, which are small changes in functions and
Calculus_of_variations
Total pressure ratio across a jet engine
Glenn Research Center (NASA). "Pressure variation - EPR". Retrieved January 2, 2015. "Engine Pressure Ratio (EPR)". code7700.com. Archived from the original
Engine_pressure_ratio
Pharmacokinetic metrics
ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as the ratio of
Peak-to-trough_ratio
Ratio of distance on a map to the corresponding distance on the ground
across a map. Because of this variation, the concept of scale becomes meaningful in two distinct ways. The first way is the ratio of the size of the generating
Scale_(map)
Measure of an investment's return vs risk
Information Ratio[citation needed]. Calmar ratio Coefficient of variation Information coefficient Jensen's alpha Modern portfolio theory Omega ratio Outperformance
Information_ratio
Calculation commonly applied to engines and mobile power sources
value may vary in use, and these variations can affect performance. The inverse of power-to-weight, the weight-to-power ratio (power loading), is a calculation
Power-to-weight_ratio
Ratio of males to females in a population
secondary sex ratio — ratio at birth tertiary sex ratio — ratio in sexually mature organisms The tertiary sex ratio is equivalent to the adult sex ratio (ASR)
Sex_ratio
Surface area per unit volume
The surface-area-to-volume ratio or surface-to-volume ratio (denoted as SA:V, SA/V, or sa/vol) is the ratio between surface area and volume of an object
Surface-area-to-volume_ratio
Cyclical variations in the ratio of the abundance of oxygen
Oxygen isotope ratio cycles are cyclical variations in the ratio of the abundance of oxygen with an atomic mass of 18 to the abundance of oxygen with
Oxygen_isotope_ratio_cycle
or sample. The measure is defined as the ratio of two standard deviations representing these types of variation. The context here is the same as that of
Correlation_ratio
Noise removal process during image processing
at low signal-to-noise ratios. For a digital signal x n {\displaystyle x_{n}} , we can, for example, define the total variation as V ( x ) = ∑ n | x n
Total_variation_denoising
Measurement used for rough estimate of the intelligence of an animal
Brain–body mass ratio, also known as the brain–body weight ratio, is the ratio of brain mass to body mass, which is hypothesized to be a rough estimate
Brain–body_mass_ratio
Proportional ratio of a linear dimension
The scale ratio of a model represents the proportional ratio of a linear dimension of the model to the same feature of the original. Examples include a
Scale_(ratio)
Statistical test that compares goodness of fit
In statistics, the likelihood-ratio test is a hypothesis test that involves comparing the goodness of fit of two competing statistical models, typically
Likelihood-ratio_test
Heuristic used in computer science
of "explained variation" used in the elbow method. Most commonly, variation is quantified by variance, and the ratio used is the ratio of between-group
Elbow_method_(clustering)
Statistical value representing the center or average of a distribution
be characterized as solving a variational problem, in the sense of the calculus of variations, namely minimizing variation from the center. That is, given
Central_tendency
The efficiency ratio indicates the expenses as a percentage of revenue (expenses / revenue), with a few variations – it is essentially how much a corporation
Efficiency_ratio
Variance-stabilizing transformation Variance-to-mean ratio Variation ratio Variational Bayesian methods Variational message passing Variogram Varimax rotation Vasicek
List_of_statistics_articles
Ratio of neutrons to protons in an atomic nucleus
The neutron–proton ratio (N/Z ratio or nuclear ratio) of an atomic nucleus is the ratio of its number of neutrons to its number of protons. Among stable
Neutron–proton_ratio
Type of motorcycle
1979. It was offered in two models: Trail or X with the main variations being gear ratios and tyre style. The CT90 Trail 90 was preceded by the CT200 Trail
Honda_CT90
Number of students divided by number of teachers
student–teacher ratio for the institution as a whole will be misleadingly low relative to the average student's experience. An example of this variation is that
Student–teacher_ratio
Variations in data at specific regular intervals less than a year
measurement of seasonal variation by using the ratio-to-moving-average method provides an index to measure the degree of the seasonal variation in a time series
Seasonality
Distinction between nominal, ordinal, interval and ratio variables
differences, one cannot define measures that require some ratios, such as the coefficient of variation. More subtly, while one can define moments about the
Level_of_measurement
Measurement used for wind turbines
both tip-speed ratio and pitch angle. Below is a plot of the variation of the power coefficient with variations in the tip-speed ratio when the pitch
Tip-speed_ratio
Hypothesis that human males have more variance in certain traits compared to females
"The Variational Tendency of Men". In this chapter he posits that "both the physical and mental characters of men show wider limits of variation than
Variability_hypothesis
Statistical property quantifying how much a collection of data is spread out
scale. Variance-to-mean ratio – mostly used for count data when the term coefficient of dispersion is used and when this ratio is dimensionless, as count
Statistical_dispersion
Medical laboratory value
In medicine, the urea-to-creatinine ratio (UCR), known in the United States as BUN-to-creatinine ratio, is the ratio of the blood levels of urea (BUN) (mmol/L)
Urea-to-creatinine_ratio
Dimensionless ratio of thrust to weight of a propelled vehicle
Thrust-to-weight ratio is a dimensionless ratio of thrust to weight of a reaction engine or a vehicle with such an engine. Reaction engines include jet
Thrust-to-weight_ratio
Turbine in which working fluid flows parallel to the shaft
blade-to-gas speed ratio parameter (velocity ratio) σ = u/c2. Efficiencies of the turbine stages can also be plotted against this ratio. Such plots for some
Axial_turbine
Espresso with equal amount of warm milk
warm milk to reduce the acidity, although the exact ratios have considerable regional variation. The milk in a cortado is steamed, but not frothy and
Cortado
Electronic moving image
dissemination worldwide. Video systems vary in display resolution, aspect ratio, refresh rate, color reproduction, and other qualities. Both analog and
Video
Hypothetical conflict with the laws of physics as currently known
the time-variation of G would require comparison with a non-gravitational force to obtain a dimensionless quantity, e.g. through the ratio of the gravitational
Time-variation of fundamental constants
Time-variation_of_fundamental_constants
Thermodynamic quantity
the heat capacity ratio, also known as the adiabatic index, the ratio of specific heats, or Laplace's coefficient, is the ratio of the heat capacity
Heat_capacity_ratio
Proportions of the human body in art
Jeanne; Raymond, Michel (17 April 2015). "Preferred Women's Waist-to-Hip Ratio Variation over the Last 2,500 Years". PLOS ONE. 10 (4) e0123284. Bibcode:2015PLoSO
Body_proportions
Physical constant
P.; Ubachs, W. (2006). "Indication of a Cosmological Variation of the Proton–Electron Mass Ratio based on Laboratory Measurement and Reanalysis of H2
Proton-to-electron_mass_ratio
Measure used in radio engineering and telecommunications
In radio engineering and telecommunications, standing wave ratio (SWR) is a measure of impedance matching of loads to the characteristic impedance of
Standing_wave_ratio
Measurement systems analysis technique
part. If the P/T ratio is low, the impact on product quality of variation due to the measurement system is small. If the P/T ratio is larger, it means
ANOVA_gauge_R&R
Aggregate stock market valuation metric
Buffett indicator (or the Buffett metric, or the Market capitalization-to-GDP ratio) is a valuation multiple used to assess how expensive or cheap the aggregate
Buffett_indicator
Ratio of part of a mixture to the whole
mass ratios. Concentration depends on the variation of the volume of the solution with temperature, due mainly to thermal expansion. Dilution ratio – Change
Concentration
Kneecap, bone covering knee joint
long-standing patella baja may result in extensor dysfunction. The Insall-Salvati ratio helps to indicate patella baja on lateral X-rays, and is calculated as the
Patella
Genetic diversity in human populations
Human genetic variation is the genetic differences in and among populations. There may be multiple variants of any given gene in the human population
Human_genetic_variation
Variation in the time intervals between heartbeats
is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in the beat-to-beat interval. Other
Heart_rate_variability
The ratio detector has wider bandwidth, but more distortion than the Foster–Seeley discriminator. The suppression of the effect of amplitude variation of
Ratio_detector
Process of removing noise from a signal
component from the desired signal component, as with common-mode rejection ratio. All signal processing devices, both analog and digital, have traits that
Noise_reduction
Cocktail made with gin and vermouth
become one of the best-known mixed alcoholic beverages worldwide. A common variation, the vodka martini, uses vodka instead of gin for the cocktail's base
Martini_(cocktail)
Dimensionless number that quantifies the strength of the electromagnetic interaction
frequency ratio of Al+ and Hg+ in single-ion optical atomic clocks to place a very stringent constraint on the present-time temporal variation of α, namely
Fine-structure_constant
Ratio of animal feed to desired product
In animal husbandry, feed conversion ratio (FCR) or feed conversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock
Feed_conversion_ratio
Phenomenon in human reproduction
ISBN 978-0-14-196545-1. James, William H (March 2009). "The variations of human sex ratio at birth during and after wars, and their potential explanations"
Returning_soldier_effect
Building density measurement
Floor area ratio (FAR) is the ratio of a building's total floor area (gross floor area) to the size of the piece of land upon which it is built. It is
Floor_area_ratio
Quantity with no physical dimension
and steradian are defined as ratios of quantities of the same kind. In statistics the coefficient of variation is the ratio of the standard deviation to
Dimensionless_quantity
Quantitative ratio of sexually active population
the evolutionary biology of sexual reproduction, operational sex ratio (OSR) is the ratio of sexually competing males that are ready to mate to sexually
Operational_sex_ratio
Relative deformation of a physical body
metric tensor or its dual is considered. Strain has dimension of a length ratio, with SI base units of meter per meter (m/m). Hence strains are dimensionless
Strain_(mechanics)
Measure of the strength of a road subgrade
Bearing Ratio (CBR) is a measure of the strength of the subgrade of a road or other paved area, and of the materials used in its construction. The ratio is
California_bearing_ratio
Controlled material removal, without the use of liquid substances
etch to do anisotropic etching (removal of material) to create high aspect ratio structures (e.g. deep holes or capacitor trenches). The dry etching hardware
Dry_etching
company's debt-to-capital ratio (D/C ratio) is the ratio of its total debt to its total capital, its debt and equity combined. The ratio measures a company's
Debt-to-capital_ratio
Interdecile range Interquartile range Calmar ratio Coefficient of variation Information ratio Jaws ratio Jensen's alpha Modigliani risk-adjusted performance
List of financial performance measures
List_of_financial_performance_measures
Normalized measure of the dispersion of a probability distribution
dispersion, relative variance, or variance-to-mean ratio (VMR), like the coefficient of variation, is a normalized measure of the dispersion of a probability
Index_of_dispersion
Effect when genes source into a phenotype
described as the ratio of genotypic variation to that of phenotypic variation in the population, or: H2 = VG / VP. The genotypic variation from the above
Additive_genetic_effects
Type of biological inheritance
heredity was discontinuous, in opposition to the apparently continuous variation observable for many traits. Many biologists also dismissed the theory
Mendelian_inheritance
Range of possible values for any characteristic of human beings
Human variability, or human variation, is the range of possible values for any characteristic, physical or mental, of human beings. Frequently debated
Human_variability
High-thrust turbofan jet engine
like ceramic matrix composites (CMCs), and higher bypass and compression ratios, it was designed to improve fuel efficiency by 10% compared to the GE90
General_Electric_GE9X
Ratio of two stable isotopes
aquifer, and a sufficiently sensitive tool to measure the variation in the isotopic ratio of hydrogen in the sample, it is possible to infer the source
Stable_isotope_ratio
Numbers obtained by adding the two previous ones
to the golden ratio: Binet's formula expresses the n-th Fibonacci number in terms of n and the golden ratio, and implies that the ratio of two consecutive
Fibonacci_sequence
Percentage of guanine and cytosine in DNA or RNA molecules
2015 at the Wayback Machine. The GC-ratio within a genome is found to be markedly variable. These variations in GC-ratio within the genomes of more complex
GC-content
varied according to the ratio of 1:1.1 to 1:1.4. Hutchinson concluded that the mean ratio, 1.3, can be understood as the variation of attribute separation
Hutchinson's_ratio
Expression which breaks ROE (return on equity) into three parts
to compare leverage among similar companies. The return on assets (ROA) ratio developed by DuPont for its own use is now used by many firms to evaluate
DuPont_analysis
in 2001. There were 36,137,975 males and 36,009,064 females, with a sex ratio of 996 females per 1000 males. Its literacy rate was 80.09%, and about 10
Demographics_of_Tamil_Nadu
Logarithmic unit expressing the ratio of physical quantities
the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of
Decibel
Measurement of an electronic circuit
In electronic systems, power supply rejection ratio (PSRR), also supply-voltage rejection ratio (kSVR; SVR), is a term widely used to describe the capability
Power_supply_rejection_ratio
Collection of statistical models
compares the amount of variation between the group means to the amount of variation within each group. If the between-group variation is substantially larger
Analysis_of_variance
One gene variant masking the effect of another in the other copy of the gene
genotype ratio with the first two classes showing the (A) phenotype, and the last showing the (a) phenotype, thereby producing the 3:1 phenotype ratio. Mendel
Dominance_(genetics)
Function related to statistics and probability theory
the likelihood ratio. In frequentist inference, the likelihood ratio is the basis for a test statistic, the so-called likelihood-ratio test. By the Neyman–Pearson
Likelihood_function
Criterion for the convergence of a series
In mathematics, the ratio test is a test (or "criterion") for the convergence of a series ∑ n = 1 ∞ a n , {\displaystyle \sum _{n=1}^{\infty }a_{n},}
Ratio_test
Measure of inequality of a statistical distribution
Gini coefficient (/ˈdʒiːni/ JEE-nee), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income
Gini_coefficient
Statistical hypothesis test
being tested, giving rise to a small sample of n product items whose variation is to be tested. The test statistic T in this instance could be set to
Chi-squared_test
Self-similar curve related to golden ratio
golden spiral is a logarithmic spiral whose growth factor is φ, the golden ratio. That is, a golden spiral gets wider (or further from its origin) by a factor
Golden_spiral
Scientific principles enabling the use of the calculus of variations
A variational principle is a mathematical procedure that renders a physical problem solvable by the calculus of variations, which concerns finding functions
Variational_principle
Indicator for how well data points fit a line or curve
denoted R2 or r2 and pronounced "R squared", is the proportion of the variation in the dependent variable that is predictable from the independent variable(s)
Coefficient_of_determination
Method of quality control
Stability Ratio which compares the long-term variability to the short-term variability, (2) an ANOVA Test which compares the within-subgroup variation to the
Statistical_process_control
by transmitting forces between the vehicle and the road. Lateral force variation (LFV) is a property of a tire that characterizes its dynamic behavior
Lateral_force_variation
Relationship between respiratory and cardiovascular processes
constant ventilation/perfusion ratio near 0.8 on average, with regional variation within the lungs due to gravity. When the ratio gets above or below 0.8, it
Ventilation–perfusion coupling
Ventilation–perfusion_coupling
Method for constructing existence proofs and calculating solutions in variational calculus
In mathematics, the direct method in the calculus of variations is a general method for constructing a proof of the existence of a minimizer for a given
Direct method in the calculus of variations
Direct_method_in_the_calculus_of_variations
Statistical principle about ratio of effects to causes
of the Pareto principle is explained by a large proportion of process variation being associated with a small proportion of process variables. This is
Pareto_principle
Type of graph used in analytical chemistry
Within chemistry, a Job plot, otherwise known as the method of continuous variation or Job's method, is a method used in analytical chemistry to determine
Job_plot
Mathematical equation describing the motion of a rocket
exponentially with the desired delta-v. We can also express this as the ratio of fuel mass to payload mass: m 0 − m f m f = e Δ v / v e − 1 {\displaystyle
Tsiolkovsky_rocket_equation
VARIATION RATIO
VARIATION RATIO
Girl/Female
Christian, Indian, Spanish
Dedicated to God; Variation of Isabel
Boy/Male
Indian
First; Variation of Pratham
Boy/Male
Hindu, Indian
Variation of Lord Vishnu
Girl/Female
Indian
Angel, Variation of anaitis
Boy/Male
Hindu
Variation to Shanti meaning peacefulness
Boy/Male
Indian, Sanskrit
Narration
Boy/Male
Hindu, Indian
Variation
Boy/Male
Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
A Variation of the Name Sukumaran
Girl/Female
Muslim
Angel, Variation of anaitis
Boy/Male
Hindu
Validation
Boy/Male
Tamil
Variation to Shanti meaning peacefulness
Girl/Female
American, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Greek, Irish, Latin
Pearl; Child of Light; Variation of Margaret
Boy/Male
Tamil
Chervik | சேரà¯à®µà®¿à®•
Validation
Chervik | சேரà¯à®µà®¿à®•
Female
English
English name derived from the flower name, from French carnation, CARNATION means "complexion," from Italian carnagione, meaning "flesh-colored."Â
Biblical
gates; valuation; hairs
Girl/Female
Arabic
Vacation
Girl/Female
Biblical
Gates, valuation, hairs.
Girl/Female
American, British, English, French, German
Truthful; Variation of Alice; Noble
Girl/Female
French
Flesh - colored.
Girl/Female
Indian, Sanskrit
Story; Narration
VARIATION RATIO
VARIATION RATIO
Boy/Male
Indian
Saffron the spice or yellow or precious or glowing, Best friend
Female
Hebrew
(ש×ַחַר) Hebrew unisex name SHACHAR means "dawn" or "morning."
Girl/Female
Christian & English(British/American/Australian)
Pining with Desire
Male
French
French form of Latin Chlotharius, CLOTAIRE means "loud warrior."
Boy/Male
French American Teutonic German
Guards wisely.
Girl/Female
Australian, Danish, French, German, Italian, Latin
Grace
Surname or Lastname
English and Scottish
English and Scottish : habitational name from any of the numerous places called Hampton, including the cities of Southampton and Northampton (both of which were originally simply Hamtun). These all share the final Old English element tÅ«n ‘enclosure’, ‘settlement’, but the first is variously hÄm ‘homestead’, hamm ‘water meadow’, or hÄ“an, weak dative case (originally used after a preposition and article) of hÄ“ah ‘high’. This name is also established in Ireland, having first been taken there in the medieval period.The descendants of the clergyman Thomas Hampton, resident at Jamestown, VA, in 1630, lived in VA through three generations, multiplying their homesteads as the colony expanded and then branched into SC.
Boy/Male
Tamil
Vibhnil | விபà¯à®¨à¯€à®²Â
Female
Danish
, to whom God (is) an oath.
Boy/Male
German
Noble Wolf
VARIATION RATIO
VARIATION RATIO
VARIATION RATIO
VARIATION RATIO
VARIATION RATIO
n.
The act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity; deviation; as, a variation of color in different lights; a variation in size; variation of language.
n.
The act of valuing, or of estimating value or worth; the act of setting a price; estimation; appraisement; as, a valuation of lands for the purpose of taxation.
n.
Variegation.
n.
The intermission of the regular studies and exercises of an educational institution between terms; holidays; as, the spring vacation.
adv.
Without variation.
n.
Destruction; vastation.
n.
Value set upon a thing; estimated value or worth; as, the goods sold for more than their valuation.
v. i.
To sing a variation or accomplishment.
n.
Fluctuation; variation; change back and forth.
n.
Vernation.
n.
The act of vitiating, or the state of being vitiated; depravation; corruption; invalidation; as, the vitiation of the blood; the vitiation of a contract.
n.
The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
n.
The act of vacating; a making void or of no force; as, the vacation of an office or a charter.
n.
A reading; a variation in the text.
n.
Extent to which a thing varies; amount of departure from a position or state; amount or rate of change.
n.
Change of termination of words, as in declension, conjugation, derivation, etc.
n.
One of the different arrangements which can be made of any number of quantities taking a certain number of them together.
n.
State of diversity or variation; variegation; modification; change; alternation.
n.
Repetition of a theme or melody with fanciful embellishments or modifications, in time, tune, or harmony, or sometimes change of key; the presentation of a musical thought in new and varied aspects, yet so that the essential features of the original shall still preserve their identity.
adv.
Without variation of termination.