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Statistical proof by contradiction technique
Surrogate data testing (or the method of surrogate data) is a statistical proof by contradiction technique similar to permutation tests and parametric
Surrogate_data_testing
Time series data technique
a measured data set. The resulting surrogate data can then for example be used for testing for non-linear structure in the empirical data; this is called
Surrogate_data
Exact statistical hypothesis test
Permutation tests are, therefore, a form of resampling. Permutation tests can be understood as surrogate data testing where the surrogate data under the
Permutation_test
Topics referred to by the same term
Plane as a pair of surrogate code points Surrogate data testing, a technique for identifying possible nonlinearity in data. Surrogate, used in library science
Surrogate
Unique identifier for either an entity in the modeled world or an object in the database
surrogate key is not derived from application data, unlike a natural (or business) key. There are at least two definitions of a surrogate: Surrogate (1)
Surrogate_key
Financial theory
been proposed, for example, the variance ratio (VR) tests, the Hurst exponent and surrogate data testing. Burton G. Malkiel, an economics professor at Princeton
Random_walk_hypothesis
Family of statistical methods based on sampling of available data
variate generation Random permutation Replication (statistics) Surrogate data testing Logan, J. David and Wolesensky, Willian R. Mathematical methods
Resampling_(statistics)
Concept in data security
real data elements from exposure to other data systems. In databases for example, surrogate key values have been used since 1976 to isolate data associated
Tokenization_(data_security)
Score from a test designed to assess intelligence
primarily on IQ test scores. Both intelligence classification by observation of behaviour outside the testing room and classification by IQ testing depend on
Intelligence_quotient
Biomarker proxy outcome measure
In clinical trials, a surrogate endpoint (also called a surrogate measure or surrogate marker) is a measure of effect of a specific treatment that may
Surrogate_endpoint
DNA matching techniques to identify someone's father
DNA paternity testing uses DNA profiles to determine whether an individual is the biological parent of another individual. Paternity testing can be essential
DNA_paternity_testing
Technique in user-centered interaction design
Usability testing is a technique used in user-centered interaction design to evaluate a product by testing it on users. This can be seen as an irreplaceable
Usability_testing
Controlled detonation of nuclear weapons for scientific or political purposes
used in the Limited Test Ban Treaty, which banned this class of testing along with exoatmospheric and underwater. Underground testing is conducted below
Nuclear_weapons_testing
Diagnostic testing for SARS-CoV-2 virus infection
Shortages of reagent and other testing supplies became a bottleneck for mass testing in the EU, the UK and the US. Early tests also encountered problems with
COVID-19_testing
older. Unrecorded consumption (homebrew, moonshine, smuggled alcohol, surrogate alcohol etc.) was estimated using expert judgements and surveys. The total
List of countries by alcohol consumption per capita
List_of_countries_by_alcohol_consumption_per_capita
Algorithmically generated data that have a similar distribution as sampled data
Generative model Model collapse Surrogate data Reinforcement learning Rendering (computer graphics) "What is synthetic data? - Definition from WhatIs.com"
Synthetic_data
Simultaneous observation and analysis of more than one outcome variable
often eased through the use of surrogate models, highly accurate approximations of the physics-based code. Since surrogate models take the form of an equation
Multivariate_statistics
Type of proxy server
In computer networks, a reverse proxy or surrogate server is a proxy server that appears to any client to be an ordinary web server, but in reality merely
Reverse_proxy
U.S. missile defense program
prove its capability to recognize and track a surrogate target in a flight environment. During the test, the MKV-L's propulsion system demonstrated maneuverability
Multiple_Kill_Vehicle
Variable-width encoding of Unicode, using one or two 16-bit code units
two 16-bit code units called a surrogate pair. The first code unit is a high surrogate and the second is a low surrogate (These are also known as "leading"
UTF-16
Adage about perverse incentives
negative consequences of high-stakes testing in U.S. classrooms. This may take the form of teaching to the test or outright cheating. "The High-Stakes
Campbell's_law
there is non-linearity in the data to apply non-linear methods. In fact it was demonstrated by means of surrogate data test, and time series forecasting
Brain_connectivity_estimators
Form of drug testing
dissolution test as a surrogate for human studies, as stated by the Food and Drug Administration (FDA). Analytical data from drug dissolution testing are sufficient
Dissolution_testing
Technique to solve partial differential equations
efficient and fully differentiable surrogate models that may find application in predictive forecasting, control, and data assimilation. PINNs are unable
Physics-informed neural networks
Physics-informed_neural_networks
Prediction model used in Engineering
Gradient-enhanced kriging (GEK) is a surrogate modeling technique used in engineering. A surrogate model (alternatively known as a metamodel, response
Gradient-enhanced_kriging
Type of stochastic process
1088/1742-5468/2009/01/P01001 Pierre Borgnat et al. (2010). Testing Stationarity With Surrogates: A Time-Frequency Approach. IEEE Transactions on Signal Processing
Stationary_process
Medical test
challenged on previous grounds and that PPG might be simply a marker or a surrogate of a complex series of metabolic events occurring in the postprandial
Postprandial_glucose_test
Data analysis technique
Oversampling and undersampling in data analysis Surrogate data Generative adversarial network Variational autoencoder Data pre-processing Convolutional neural
Data_augmentation
Assessment of the effect of a medical treatment or procedure
measures. Outcome measures can be divided into clinical endpoints and surrogate endpoints where the former is directly related to what the goal of the
Outcome_measure
refactorings are applied Database testing Data migration Denormalization Refactoring Test-driven development Unit testing Scott Ambler, Pramod Sadalage Refactoring
Database_refactoring
Feature detectable in an image
they can are detected clinically. The biomarkers act as surrogate endpoints. The use of surrogate endpoints has been shown to significantly decrease the
Imaging_biomarker
Sequence of data points over time
estimates Hidden Markov model states Rough path signature Surrogate time series and surrogate correction Loss of recurrence (degree of non-stationarity)
Time_series
Diagnostic technique
compared to blood testing and other types of diagnostic testing. Additionally, since multiple samples can be readily obtained, saliva testing is particularly
Saliva_testing
U.S. Air Force facility in southern Nevada
their offices, the testing team (Designated "R Unit") adopted it as their mascot and dubbed themselves the "Baja Scorpions". Testing of a series of ultra-secret
Area_51
Avoidance of the consumption of alcohol
active drinkers plummeted to 50% among adults aged 18–34, according to Gallup data. This 22-point drop from historic highs is expected to persist through 2026
Teetotalism
Topics referred to by the same term
Model-driven testing, application of model-based design for designing and optionally also executing artifacts to perform software testing or system testing Behavior-driven
Model-driven
Female parent
to children. Thus the surrogate mother carries and gives birth to a child that she is not the biological mother of. Surrogate motherhood became possible
Mother
United States anti-ballistic missile system
Missile Defense Agency, GMD has conducted multiple test exercises, with mixed results. Early testing revealed deficiencies in the Ground Based Interceptor
Ground-Based Midcourse Defense
Ground-Based_Midcourse_Defense
US program for faster approval of drugs
initially be tested in clinical trials that use a surrogate endpoint, or something that is thought to predict clinical benefit. Surrogate endpoints typically
Accelerated_approval_(FDA)
Intergovernmental organization for nuclear-test banning
Nuclear-Test-Ban Treaty Organization. n.d. Retrieved 30 January 2019. "CTBTO PrepCom Selects Five NNSA Experts as On-Site Inspection Surrogate Inspector
Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization
Preparatory_Commission_for_the_Comprehensive_Nuclear-Test-Ban_Treaty_Organization
US-Swedish advanced pilot training aircraft
variant is one of the contenders for the United States Navy's Tactical Surrogate Aircraft program, with a possible sale of 64 aircraft. A navalised version
Boeing–Saab_T-7_Red_Hawk
Diagnostic tools for latent tuberculosis infection
tool for indicating a latent tuberculosis infection (LTBI). IGRAs are surrogate markers of Mycobacterium tuberculosis infection and indicate a cellular
Quantiferon
Unmanned combat air vehicle demonstrator built by Northrop Grumman
primary test program was declared complete. The X-47B demonstrators were intended to become museum exhibits after completing flight testing, but the
Northrop_Grumman_X-47B
Device to estimate blood alcohol concentration
sobriety test" commonly called "preliminary breath test" or "preliminary alcohol screening", or as evidential devices in point of arrest testing. Larger
Breathalyzer
Historic courthouse in Manhattan, New York
The Surrogate's Courthouse (also the Hall of Records and 31 Chambers Street) is a historic building at the northwest corner of Chambers and Centre Streets
Surrogate's_Courthouse
Digital database whose organization is based on the relational model of data
(attributes used to describe the data being entered) are sometimes good primary keys, surrogate keys are often used instead. A surrogate key is an artificial attribute
Relational_database
Form of scientific experiment
Treatment Interventions "Reporting of surrogate endpoints in randomised controlled trial reports (CONSORT-Surrogate): extension checklist with explanation
Randomized_controlled_trial
Driving after consuming alcohol or drugs
nations use saliva swabs to test for THC levels at roadside, but questions remain about the reliability of saliva testing. In the US state of Colorado
Driving_under_the_influence
Subset of artificial intelligence
audio data to 43.4% and 16.4% of their original sizes, respectively. There is, however, some reason to be concerned that the data set used for testing overlaps
Machine_learning
Science of characterizing uncertainties
quantification a surrogate model, e.g. a Gaussian process or a Polynomial Chaos Expansion, is learnt from computer experiments, this surrogate exhibits epistemic
Uncertainty_quantification
American autonomous vehicle company
Mexico; Austin, Texas; Montreal, Canada; and Stuttgart, Germany. Torc is testing autonomous trucks in Virginia, New Mexico, and Texas and is taking a pure
Torc_Robotics
American psychologist (1905–1981)
ethically controversial; they included creating inanimate wire and wood surrogate "mothers" for the rhesus infants. Each infant became attached to its particular
Harry_Harlow
radio range. Operational testing began off the coast of San Diego in late November 2016 after initial autonomy capability testing in summer, where the ship
ASW Continuous Trail Unmanned Vessel
ASW_Continuous_Trail_Unmanned_Vessel
Assisted reproductive technology procedure
the uterus of a genetically unrelated surrogate, the resulting child is also genetically unrelated to the surrogate. Some countries have banned or otherwise
In_vitro_fertilisation
Machine learning technique
ϕ {\displaystyle \phi } is trained by gradient ascent on the clipped surrogate function. Classically, the PPO algorithm employs generalized advantage
Reinforcement learning from human feedback
Reinforcement_learning_from_human_feedback
Location used to monitor surface water flow
In place of the direct measurement of stream discharge, one or more surrogate measurements can be used as proxy variables to produce discharge values
Stream_gauge
Area of the Nevada National Security Site, US
specifically designed to conduct research using plutonium and surrogate materials as targets. Data from these experiments is used to determine material equations
Area 27 (Nevada National Security Site)
Area_27_(Nevada_National_Security_Site)
Sub-discipline of requirements management
artifacts in a holistic approach, homogenizes data and avoids the risk of inconsistencies caused by outdated surrogates. The disadvantage is that this approach
Requirements_traceability
U.S. government efficiency initiative
Nate Cavanaugh, a DOGE member who acts as the Institute of Peace (USIP) surrogate president, was instructed to transfer USIP's assets—including its real
Department of Government Efficiency
Department_of_Government_Efficiency
Experimental aircraft
Prototype "New radar flying high as crucial testing begins". Retrieved 10 August 2015. Northrop begins flight testing of new radar technology for Global Hawk"
Scaled_Composites_Proteus
Technique to make a model more generalizable and transferable
error score with the trained model on the evaluation set (testing data) and not the training data. One of the earliest uses of regularization is Tikhonov
Regularization_(mathematics)
(April 29, 2026). "Official Trailer for Tubi's 'Give Me Back My Baby' Surrogate Thriller". First Showing. Retrieved May 1, 2026. D'Alessandro, Anthony
List of American films of 2026
List_of_American_films_of_2026
Protein fragment in Homo sapiens
immunological testing, compared to vasopressin, and hence copeptin is proposed as a reliable AVP surrogate. The clinical interest in copeptin testing is closely
Copeptin
Metric of alcohol concentration in blood
a later chemical test. This involves estimating the absorption and elimination of alcohol in the interim between driving and testing. The rate of elimination
Blood_alcohol_content
Discussions and claims of differences in intelligence along racial lines
first introduced. With the inception of IQ testing in the early 20th century, differences in average test performance between racial groups have been
Race_and_intelligence
production volume (HPV) chemicals, where production volume was used as a surrogate for data on occupational, consumer, and environmental exposure. Each country
High production volume chemicals
High_production_volume_chemicals
Adulteration of drugs
charge a fee for every pill tested. Darknet market Date rape drug Drug checking Isopropylbenzylamine Pill testing Surrogate alcohol Preble, Edward; Casey
Lacing_(drugs)
Influence that psychological factors and social environment has on well-being
medico-legal factors (assessment of the client's awareness of legal documents, surrogate decision-making, power of attorney and consent). Components include: the
Psychosocial
Programs developing supersonic combustion ramjets
flight vehicles and a ground test engine rig to undergo wind tunnel testing. The first and second payloads were dubbed surrogate payload vehicles and matched
Scramjet_programs
Oxygen needed to remove organics from water
of sample during 5 days of incubation at 20 °C and is often used as a surrogate of the degree of organic water pollution. Biochemical Oxygen Demand (BOD)
Biochemical_oxygen_demand
World's largest pulsed power facility
(MagLIF) approach, and for testing materials in conditions of extreme temperature and pressure. In particular, it gathers data to aid in computer modeling
Z_Pulsed_Power_Facility
Performance measurement of diesel fuel
Brezinsky, Kenneth (2012). "The experimental evaluation of a methodology for surrogate fuel formulation to emulate gas phase combustion kinetic phenomena". Combustion
Cetane_number
American conservative political commentator and author (born 1988)
Retrieved February 8, 2017. Mazza, Ed (September 28, 2016). "CNN Trump Surrogate Kayleigh McEnany Compares Miss Universe To Terror Suspect". HuffPost.
Kayleigh_McEnany
Human viral infection
Hepatitis C testing typically begins with blood testing to detect the presence of antibodies to the HCV, using an enzyme immunoassay. If this test is positive
Hepatitis_C
Airborne laser demonstrator aircraft by Boeing
compensate for atmospheric distortion. The next phase in the test program involved the "surrogate high-energy laser" (SHEL), a stand-in for the COIL, and demonstrated
Boeing_YAL-1
Adage about statistical measures
optimizes a poorly specified reward without reaching the intended outcome Surrogation – in business, when a measure of a construct of interest evolves to replace
Goodhart's_law
Class of reinforcement learning algorithms
Thus it is a "surrogate" of the real objective. As with natural policy gradient, for small policy updates, TRPO approximates the surrogate advantage and
Policy_gradient_method
Canadian basketball player (born 1991)
"Khloé Kardashian Expecting Baby No. 2 with Ex Tristan Thompson via Surrogate: 'Incredibly Grateful'". PEOPLE.com. Archived from the original on July
Tristan_Thompson
generator vendors implementations. The Host Emulator can be used as a surrogate to manipulate the interface when a simulation Host is not available. It
Common Image Generator Interface
Common_Image_Generator_Interface
Computational approaches to health care
genomic testing In the US, several companies offer direct-to-consumer (DTC) genetic testing. The company that performs the majority of testing is called
Health_informatics
American third-generation main battle tank
with the M68E1 105 mm gun. They entered head-to-head testing at Aberdeen Proving Ground. The testing showed that the GM design was generally superior to
M1_Abrams
Science entertainment television program
testing process is intentionally stopped but news reports or other documentation are available that confirm it has happened at least once; in testing
MythBusters
American tracked armored fighting vehicle
disagreement over testing methodology and, more importantly, the inability of OSD and the Army to reach an agreement on how the test is conducted. ...The
Bradley_Fighting_Vehicle
Work on the effects of separating infants and young children from their mother
Wisconsin–Madison laboratory in total or partial isolation and with inanimate surrogate mothers in an attempt to study maternal-infant bonding as well as various
Maternal_deprivation
two groups: open data and non-open data. The datasets from various governmental-bodies are presented in List of open government data sites. The datasets
List of datasets for machine-learning research
List_of_datasets_for_machine-learning_research
American politician (born 1954)
in Watertown, Massachusetts. While attending Palfrey, he lived with a surrogate family at a farmhouse in Cambridge, Massachusetts. Kennedy continued his
Robert_F._Kennedy_Jr.
Ester of salicylic acid
be dehydrated in alcohol. Other niche uses include: As a simulant or surrogate for the research of chemical warfare agent sulfur mustard, due to its
Methyl_salicylate
Handbook for Designated Engineering Representatives
Retrieved 2022-04-06. A DER is appointed by the FAA to act as its technical surrogate and holds an engineering degree or equivalent and meets the qualification
FAA_Order_8110.37
Steve tested for autism, driven by memories of his childhood, but Lea is reluctant due to her own fears. Although Lea eventually agrees to the testing after
List of The Good Doctor episodes
List_of_The_Good_Doctor_episodes
Operating a motor vehicle under the influence of alcohol
needed] With the advent of a scientific test for BAC, law enforcement regimes moved from field sobriety testing (e.g., asking the suspect to stand on one
Drunk_driving
Class of racing catamaran yacht that was developed for the 2017 America's Cup
well as steering and trimming systems had been tested by all syndicates on AC45 platforms as surrogate yachts before building their AC50. The class allowed
AC50
dissolution profile. The main roles of IVIVC are: To use dissolution test as a surrogate for human studies. To supports and/or validate the use of dissolution
IVIVC
Chemical compound
the CTX biomarker was introduced in 2000 by Rosen. Although a number of surrogate biomarkers exist for measuring the metabolic products of bone resorption
C-terminal_telopeptide
Method to quantify insulin resistance
Front Diabetes. Basel, Karger 12: 66-75 Singh B, Saxena A (May 2010). "Surrogate markers of insulin resistance: A review". World J Diabetes. 1 (2): 36–47
Homeostatic_model_assessment
Number representing a continuous quantity
theory, specifically descriptive set theory, the Baire space is used as a surrogate for the real numbers since the latter have some topological properties
Real_number
American biostatistician and data scientist
eventually focused on developing A/B testing and other experiments run by the company, along with analyzing the resulting data. Opportunity sizing, experimentation
Hilary_Parker
Network in the US Army
drones (cruise missile surrogates) with two Patriot missiles. By 20 August 2020, IBCS was used to down two disparate threats in a test: a cruise missile and
Integrated Air and Missile Defense Battle Command System
Integrated_Air_and_Missile_Defense_Battle_Command_System
Public high school in Farmington, Michigan, United States
original (PDF) on May 24, 2012. Retrieved August 27, 2014. "MI School Data Student Testing". State of Michigan. Archived from the original on September 3, 2014
Farmington High School (Michigan)
Farmington_High_School_(Michigan)
Type of viruses that cause gastroenteritis
close quarters. Diagnosis is generally based on symptoms. Confirmatory testing is not usually available but may be performed by public health agencies
Norovirus
Regular measurement of the viral load of HIV-positive people
of HIV. A CD4 test quantifies Helper T cells and is often combined with viral load testing to monitor the progression of HIV. CD4 testing shows the strength
Viral_load_monitoring_for_HIV
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
Male
Turkish
Turkish name ATA means "ancestor."
Female
Hebrew
(×“Ö¼Ö¸× Ö¸×”) Feminine form of Hebrew Dan, DANA means "judge." Compare with other forms of Dana.
Male
English
English surname transferred to unisex forename use, possibly DANA means "from Denmark."
Female
Hebrew
(דִּיתָה) Pet form of Hebrew Yehuwdiyth, DITA means "Jewess" or "praised." Compare with another form of Dita.
Male
Hebrew
Variant spelling of Hebrew Dathan, DATAN means "belonging to a fountain."
Female
Russian
 Short form of Russian Yekaterina, KATA means "pure." Compare with other forms of Kata.
Female
Hungarian
 Short form of Hungarian Katalin, KATA means "pure." Compare with other forms of Kata.
Female
Finnish
 Short form of Finnish Katariina, KATA means "pure." Compare with other forms of Kata.
Female
Finnish
Variant form of Finnish Aada, AATA means "noble."
Girl/Female
Hindu
A creeper
Female
English
 English surname transferred to unisex forename use, possibly DANA means "from Denmark." Compare with other forms of Dana.
Male
Irish
Irish Gaelic name MAC DARA means "son of oak." This is the name of a patron saint and is still common in Ireland, especially in Connemara.
Male
Hebrew
(דֶּרַע) Hebrew name DARA means "the arm." In the bible, this is the name of a son of Zerah. Compare with other forms of Dara.
Female
Polish
Short form of Polish Edyta, DYTA means "rich battle."
Male
Irish
 From Irish Gaelic Mac Dara, DARA means "son of oak." Compare with other forms of Dara.
Female
Slavic
 Short form of Slavic Bogdana, DANA means "gift from God." Compare with other forms of Dana.
Female
English
 Middle English name DARA means "brave, daring." Compare with another form of Dara.
Female
Polish
 Variant spelling of Polish Dyta, DITA means "rich battle." Compare with another form of Dita.
Female
Hindi/Indian
(लता) Hindi name derived from a plant name, from the Sanskrit word lata, LATA means "creeper," in reference to a creeping plant.
Male
Iranian/Persian
 Short form of Persian Dârayavahush, DARA means "possesses a lot, wealthy." Compare with other forms of Dara.
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
Girl/Female
Hindu, Indian, Marathi, Sanskrit, Tamil, Telugu
Name of a Star; Sense of Hearing
Girl/Female
Tamil
Shadow
Girl/Female
Bengali, Indian, Kannada, Tamil, Telugu
Light; Bright; Shining
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Marathi, Sanskrit, Sindhi, Tamil, Telugu
Night
Boy/Male
Anglo, Australian, French, Greek
Page; Attendant; Young; Assistant
Girl/Female
Indian
Growth
Girl/Female
Assamese, Celebrity, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Sanskrit, Sindhi, Telugu, Traditional
Name of an Apsara (Angel); Celestial Dancer
Female
English
English variant spelling of German Selma, ZELMA means "divine helmet."Â
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Tamil, Telugu
Green; Nature's Friend; Nature's Beloved; Beautiful
Girl/Female
Indian
Believer
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
SURROGATE DATA-TESTING
n.
Prior date; a date antecedent to another which is the actual date.
v. t.
To note the time of writing or executing; to express in an instrument the time of its execution; as, to date a letter, a bond, a deed, or a charter.
p. pr. & vb. n.
of Arrogate
v. t.
To put in the place of another; to substitute.
imp. & p. p.
of Arrogate
v. t.
To note or fix the time of, as of an event; to give the date of; as, to date the building of the pyramids.
n.
That addition to a writing, inscription, coin, etc., which specifies the time (as day, month, and year) when the writing or inscription was given, or executed, or made; as, the date of a letter, of a will, of a deed, of a coin. etc.
n.
A judicial officer, having generally the powers of a judge of probate or a surrogate.
n.
In some States of the United States, an officer who presides over the probate of wills and testaments and yield the settlement of estates.
n.
A deputy; a delegate; a substitute.
n.
The point of time at which a transaction or event takes place, or is appointed to take place; a given point of time; epoch; as, the date of a battle.
p. pr. & vb. n.
of Date
v. t.
To date erroneously.
v. t.
To put in the place of another; to substitute.
n.
The deputy of an ecclesiastical judge, most commonly of a bishop or his chancellor, especially a deputy who grants marriage licenses.
imp. & p. p.
of Date
pl.
of Datum
n.
The office of a surrogate.
n.
The fruit of the date palm; also, the date palm itself.
n. pl.
See Datum.