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Frequency response curves used in sound pressure level measurement
A-weighting is a form of frequency weighting and the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and
A-weighting
A weighting curve is a graph of a set of factors, that are used to 'weight' measured values of a variable according to their importance in relation to
Weighting_curve
Psophometric voltage Rumble measurement ITU-R 468 noise weighting A-weighting Weighting filter Weighting Weighting curve "Psophometer for use on telephone-type circuits"
Psophometric_weighting
Practice in statistical calculation
The process of frequency weighting involves emphasizing the contribution of particular aspects of a phenomenon (or of a set of data) over others to an
Frequency Weighting (spectral analysis)
Frequency_Weighting_(spectral_analysis)
UK concept of greater salaries for London-based staff
London weighting is an allowance paid to certain civil servants, teachers, airline employees, PhD students, police and security officers in and around
London_weighting
Group of methods used in phylogenetic analysis
Implied weighting describes a group of methods used in phylogenetic analysis to assign the greatest importance to characters that are most likely to be
Implied_weighting
Confidence weighting (CW) is concerned with measuring two variables: (1) what a respondent believes is a correct answer to a question and (2) what degree
Confidence_weighting
Type of deterministic method for multivariate interpolation
Inverse distance weighting (IDW) is a type of deterministic method for multivariate interpolation with a known homogeneously scattered set of points.
Inverse_distance_weighting
The context tree weighting method (CTW) is a lossless compression and prediction algorithm by Willems, Shtarkov & Tjalkens 1995. The CTW algorithm is
Context_tree_weighting
Loudness measurement unit
fifth revision of this recommendation ITU-R BS.1770-5. K-weighting refers to the frequency weighting function applied to the audio signal before measurement
LUFS
Financial metric which investors use to determine market performance
is seeking to represent or track. The coverage of a stock market index is separate from the weighting method. For example, the S&P 500 market-cap weighted
Stock_market_index
Filter used to emphasize or suppress aspects in measurements
A weighting filter is used to emphasize or suppress some aspects of a phenomenon compared to others, for measurement or other purposes. In each field
Weighting_filter
Stock market index whose components are weighted by total market value
indices are a type of economic index. A common version of capitalization weighting is the free-float or public-float weighting. With this method a float factor
Capitalization-weighted_index
Statistical technique
Inverse probability weighting is a statistical technique for estimating quantities related to a population other than the one from which the data was
Inverse_probability_weighting
Estimate of the importance of a word in a document
of the tf–idf weighting scheme were often used by search engines as a central tool in scoring and ranking a document's relevance given a user query. One
Tf–idf
U.S. large cap stock market index
with modifications such as the use of covered call strategies, equal weighting, performance buffers, leverage, or they exclude certain sectors, all with
Nasdaq-100
A noise weighting is a specific amplitude-vs.-frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises
Noise_weighting
line, 144-receiver, or C-message weighting, or flat weighting, can be indicated in parentheses. With C-message weighting, a one-milliwatt, 1000 Hz tone will
DBrn
index is a public float weighted/capitalization-weighted index, with a maximum weight of 24% for the largest component. An updated weighting of each component
List_of_NASDAQ-100_companies
Construct related to weighted sums and averages
Kernel (statistics) Measure (mathematics) Riemann–Stieltjes integral Weighting Window function Jane Grossman, Michael Grossman, Robert Katz. The First
Weight_function
Noise measurement standard
recommendation 468-4, therefore formerly also known as CCIR weighting; sometimes referred to as CCIR-1k) is a standard relating to noise measurement, widely used
ITU-R_468_noise_weighting
Pattern in control theory
A weighting pattern for a linear dynamical system describes the relationship between an input u {\displaystyle u} and output y {\displaystyle y} . Given
Weighting_pattern
Derived SI unit of equivalent dose of ionizing radiation
to radiation weighting factor (WR), and dropped another weighting factor "N" in 1990. In 2002, the CIPM similarly dropped the weighting factor "N" from
Sievert
Statistical method
In statistics, inverse-variance weighting is a method of aggregating two or more random variables to minimize the variance of the weighted average. Each
Inverse-variance_weighting
Absorbed dose of ionizing radiation weighted with the quality factor
gamma rays, which is given a weighting factor of 1. To obtain the equivalent dose for a mix of radiation types and energies, a sum is taken over all types
Equivalent_dose
Ballast carried to counteract buoyancy
A diving weighting system is ballast weight added to a diver or diving equipment to counteract excess buoyancy. They may be used by divers or on equipment
Diving_weighting_system
Component of the Human Development Index
one-third weighting). Education is a major component of well-being and is used in the measure of economic development and quality of life, which is a key factor
Education_Index
Device for acoustic measurements
Root-mean-square sound pressure being obtained with a standard frequency weighting and standard time weighting. The reference pressure is set by the International
Sound_level_meter
bipartite graph, an appropriate method for weighting network connections is often required. Optimal weighting methods reflect the nature of the specific
Bipartite_network_projection
Form of weighting in noise measurement
In a noise-measuring set, flat weighting is a noise weighting based on an amplitude-frequency characteristic that is flat over a frequency range that
Flat_weighting
Probability of ill health effects from ionizing radiation
bone marrow are particularly sensitive to radiation, so they are given a weighting factor that is disproportionately large relative to the fraction of body
Effective_dose_(radiation)
Blue chip stock market index
December 1987, equivalent to a market capitalisation of 370,437,433,957.70 French francs. On 1 December 2003, the index's weighting system switched from being
CAC_40
Proportionally weighted stock market index
A price-weighted index is a stock market index where each constituent makes up a fraction of the index that is proportional to its price. A stock trading
Price-weighted_index
American rock band
contractual obligations. The Gayle sessions were released in 2003 as Weighting. In 1996, there was a legal battle with the band's former label, Imago Records. Rollins
Rollins_Band
capitalization-weighting indices might by definition imply overweighting overvalued stocks and underweighting undervalued stocks, assuming a price inefficiency
Fundamentally_based_indexes
Blue chip stock market index
The constituent weighting was also changed to a free float adjusted market capitalization weighting. On 15 April 2008, Nasdaq launched a total return version
OMX_Stockholm_30
Large-cap American stock market index
futures contract. In 2005, the index transitioned to a public float-adjusted capitalization-weighting. Friday, September 17, 2021, was the final trading
S&P_500
Mathematical technique in thermal field theory
to use a Matsubara weighting function hη(z) that has simple poles located exactly at z = i ω n {\displaystyle z=i\omega _{n}} . The weighting functions
Matsubara_summation
Type of statistical measure over subsets of a dataset
average (EWMA), is a first-order infinite impulse response filter that applies weighting factors which decrease exponentially. The weighting for each older
Moving_average
International cricket T20I team rankings
and points earned between 1 and 2 years ago switch from 100% weighting to 50% weighting. For example, on 1 May 2014, the matches played between May 2010
ICC_Men's_T20I_Team_Rankings
Audio equipment quality assessment
defined by current standards are A-weighting and ITU-R 468 (formerly known as CCIR weighting). A-weighting uses a weighting curve based on equal-loudness
Audio_noise_measurement
2018 international rescue mission in Thailand
In June 2018, a junior football team became trapped in Tham Luang Nang Non, a cave system in Chiang Rai province, northern Thailand. Twelve members of
Tham_Luang_cave_rescue
Unique numeric book identifier since 1970
is recalculated according to the EAN-13 formula (modulo 10, 1× and 3× weighting on alternating digits). Partly because of an expected shortage in certain
ISBN
International cricket ODI and T20I team rankings
and points earned between 1 and 2 years ago switch from 100% weighting to 50% weighting. For example, on 1 October 2014, the matches played between October
ICC Women's ODI and T20I Team Rankings
ICC_Women's_ODI_and_T20I_Team_Rankings
capitalization. It is weighted by free-float market capitalization. An updated weighting of each component is available online. S&P Dow Jones Indices updates the
List_of_S&P_500_companies
International cricket odi team rankings
and points earned between 1 and 2 years ago switch from 100% weighting to 50% weighting. For example, on 1 May 2014, the matches played between May 2010
ICC_Men's_ODI_Team_Rankings
American war comedy-drama TV series (1972–1983)
overhauled. Cast changes also contributed to the greater weighting of drama in later series M*A*S*H. The departures of McLean Stevenson, Larry Linville
M*A*S*H_(TV_series)
Unwanted sound
rise to acoustic noise heard as a hiss. This signal noise is commonly measured using A-weighting or ITU-R 468 weighting. In experimental sciences, noise
Noise
Annual publication of university rankings
BRICS and emerging economies, which are ranked with separate criteria and weightings. The THE Rankings is often considered one of the most widely observed
Times Higher Education World University Rankings
Times_Higher_Education_World_University_Rankings
Frequency characteristics of hearing and perceived volume
it is fortunate that the 40-phon Fletcher–Munson curve on which the A-weighting standard was based turns out to have been in agreement with modern determinations
Equal-loudness_contour
American stock market index composed of 30 industry leaders
Dow Jones Industrial Average consists of the following companies, with a weighting as shown: As of November 8, 2024, the components of the DJIA have changed
Dow_Jones_Industrial_Average
Effectiveness of radiation in radiobiology
(ICRP) has defined a standard set of radiation weighting factors (WR), formerly termed the quality factor (Q). The radiation weighting factors convert absorbed
Relative biological effectiveness
Relative_biological_effectiveness
Annual association football award
top goalscorer in all European leagues during a season. Since 1997, it has been calculated using a weighting in favour of the highest ranked leagues. Originally
European_Golden_Shoe
Definite integral of a scalar or vector field along a path
arc length or, for a vector field, the scalar product of the vector field with a differential vector in the curve). This weighting distinguishes the line
Line_integral
Ratio of a bank's capital to its risk
bonds have a 0% risk weighting, and residential mortgage loans have a 50% risk weighting. All other types of assets (loans to customers) have a 100% risk
Capital_adequacy_ratio
Measure of disease burden
accounting of time: age-weighting and time-discounting. Age-weighting is based on the theory of human capital. Commonly, years lived as a young adult are valued
Disability-adjusted_life_year
Dutch stock market index
selected to join the index. The AEX is a capitalization-weighted index. At each main annual review, the index weightings of companies in the index are capped
AEX_index
Measures the relative position of nations' and regions' peacefulness
transformational factor at all stages of a nation's development. According to The Economist, the weighting of military expenditure "may seem to give
Global_Peace_Index
German stock market index
from the original on 8 November 2022. Retrieved 8 November 2022. "MDAX Weighting 30.12.2008". Deutsche Börse. 30 December 2008. Retrieved 2009-03-21. [dead
MDAX
Indicator for impact of terrorism
terrorist incidents in a given year Each of the indicators is weighted differently: The greatest weighting is thus in general attributed to a fatality. The property
Global_Terrorism_Index
Ranking system for national netball teams
The World Netball Rankings are a ranking system for national netball teams. They were originally known as the IFNA World Rankings and previously known
World_Netball_Rankings
British computer scientist
Okapi BM25 weighting model. Robertson was born in London, England,[citation needed] to (Theodosia) Cecil, née Spring Rice and Martin Robertson, a professor
Stephen Robertson (computer scientist)
Stephen_Robertson_(computer_scientist)
British science fiction writer (1917–2008)
and television series host. Clarke was a science fiction writer, an avid populariser of space travel, and a futurist of distinguished ability. He wrote
Arthur_C._Clarke
Grappling competition organizer
weighting of a tournament is a factor in the calculation of the number of points the athlete can win via their participation. The IBJJF also uses a third
International Brazilian Jiu-Jitsu Federation
International_Brazilian_Jiu-Jitsu_Federation
Composed of one color
to achieve a desired artistic effect; if only the red channel is selected by the weighting then the effect will be similar to that of using a red filter
Monochrome
Theory of brain function
Bayesian filtering in the Kalman filter. It has also been proposed that such weighting of prediction errors in proportion to their estimated precision is, in
Predictive_coding
Form of astrology based on time of birth
Chart Weighting analyzes Zodiac Signs and Houses. Chart Shaping analyzes planetary aspect patterns. In general, astrology is considered to be a pseudoscience
Natal_astrology
Stock market index
index transitioned from a system where a company's weighting is based on the total number of shares outstanding to a weighting based on the number of shares
TOPIX
Statistical measure used in survey research
size and N {\displaystyle N} is the population size). Such a sample is called a self weighting sample. There are also indirect ways of applying "weighted"
Design_effect
Genus of sauropod dinosaur
Euhelopodidae. Using equal weighting, it was placed as the sister taxon to Europatitan—a European taxon not generally regarded as a member of this otherwise
Nagatitan
Ho Chi Minh City stock exchange index
on a quarterly basis, the index may undergo a re-weighting, with no composition changes, in order to align constituent weights with index weighting criteria
VN30_Equal_Weight_Index
U.S. large-cap stock market index
The Russell 1000 Index is a U.S. stock market index that tracks the largest 1,000 stocks in the Russell 3000 Index, which represent about 93% of the total
Russell_1000_Index
priorities on different gateway routers, GLBP allows a weighting parameter to be set. Based on this weighting (compared to others in the same virtual router
Gateway Load Balancing Protocol
Gateway_Load_Balancing_Protocol
Measurement unit in the music industry
Recording Industry Association of America. January 23, 2014. "Equivalent weighting: Measuring music consumption". Luminate. Retrieved January 4, 2026. "The
Album-equivalent_unit
Technique for measuring the density of a living person's body
underwater weighing or hydrodensitometry,is a technique for measuring the relative density of an object. It is a direct application of Archimedes' principle
Hydrostatic_weighing
there is a weighting to put more emphasis on recent results. Previously an eight-year period was used. The date weighting is as follows: If a team exceeds
FIFA World Ranking system (2006–2018)
FIFA_World_Ranking_system_(2006–2018)
Advanced Placement course and exam
Placement (AP) Chemistry (also known as AP Chem) is a course and examination offered by the College Board as a part of the Advanced Placement Program to give
AP_Chemistry
Measurement of strength of sunburn-producing ultraviolet (UV) radiation
intermediate weightings over the full spectral range of 290 nm to 400 nm produces a figure of 264 mW/m2 (the DUV), which is then divided by 25 mW/m2 to give a UV
Ultraviolet_index
Personification of justice
judicial systems. Her attributes are scales, a sword and sometimes a blindfold. She often appears as a pair with Prudentia. Lady Justice originates from
Lady_Justice
Algorithm used for pathfinding and graph traversal
a number of ε-admissible algorithms: Weighted A*/Static Weighting's. If ha(n) is an admissible heuristic function, in the weighted version of the A*
A*_search_algorithm
It was introduced, 4 June 2007. The constituting companies and their weightings are reviewed quarterly (March, June, September and December). The companies
ÖkoDAX
Paradox involving a game with repeated coin flipping
probability weighting function. Intuitively, the utility function must not simply be concave, but it must be concave relative to the probability weighting function
St._Petersburg_paradox
Eurovent standards for air conditioner performance depending on time of year
different seasonal air or water temperatures, and including for appropriate weighting factors. These values are shown in the following table. The formula for
European seasonal energy efficiency ratio
European_seasonal_energy_efficiency_ratio
Measure of disease burden
The quality-adjusted life year (QALY) is a generic measure of disease burden, including both the quality and the quantity of life lived. It is used in
Quality-adjusted_life_year
Ratiometric definition of luminance
L {\displaystyle L} including spectral weighting for human vision, but while luminance L {\displaystyle L} is a measure of light in units such as c d /
Relative_luminance
Israeli stock market index
typically referred to as the Tel Aviv 125 and formerly the TA-100 Index, is a stock market index of the 125 most highly capitalised companies listed on
TA-125_Index
Method for estimating new data within known data points
fitting a curve through noisy data. In the geostatistics community Gaussian process regression is also known as Kriging. Inverse Distance Weighting (IDW)
Interpolation
Perceived luminous power
of power. The luminous flux accounts for the sensitivity of the eye by weighting the power at each wavelength with the luminosity function, which represents
Luminous_flux
Image denoising algorithm
many forms. The Gaussian weighting function sets up a normal distribution with a mean, μ = B ( p ) {\displaystyle \mu =B(p)} and a variable standard deviation:
Non-local_means
Method for measuring urban sprawl
a single metric. WUP = UP ⋅ w 1 ( Dis ) ⋅ w 2 ( UD ) where { UP = Urban Permeation w 1 ( Dis ) = Weighting 1 ( Dispersion ) w 2 ( UD ) = Weighting 2
Weighted_urban_proliferation
Blue chip stock market index
available from financial websites. The index weighting refers to the DAX performance index. ^Note 1: Weightings as of 22 September 2025 This table lists former
DAX
Information retrieval system
triple notation, a mnemonic scheme for denoting tf-idf weighting variants in the vector space model. The mnemonic for representing a combination of weights
SMART Information Retrieval System
SMART_Information_Retrieval_System
Online media database
criteria used for a person to be counted as a regular voter". In addition to other weightings, the Top 250 films are also based on a weighted rating formula
IMDb
British stock market index
of a difference to the index than smaller companies. The basic formula for these indices is: I n d e x v a l u e = T o t a l m a r k e t v a l u
FTSE_100_Index
Test cricket ranking system
and points earned between 1 and 2 years ago switch from 100% weighting to 50% weighting. For example, on 1 May 2014, the matches played between May 2010
ICC_Men's_Test_Team_Rankings
Stock market index
The SSE Composite Index also known as SSE Index is a stock market index of all stocks (A shares and B shares) that are traded at the Shanghai Stock Exchange
SSE_Composite_Index
Investment benchmark
allows the S&P GSCI to be a measure of investment performance as well as serve as an economic indicator. Production weighting is a quintessential attribute
S&P_GSCI
English National Health Service grading and pay system
Executive of Kingston Hospital NHS Foundation Trust called for a flat rate “weighting system” across Greater London in September 2018, saying that living
Agenda_for_Change
and programmed a Honeywell 200 computer to enable the features he wanted to offer: prerequisites, multiple answers, values weighting, and two-way matching
Contact_(computer_dating)
Standard & Poor's Commodity Index (SPCI) was a commodity price index that measured the price changes in a cross section of agricultural and industrial
Standard & Poor's Commodity Index
Standard_&_Poor's_Commodity_Index
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