autoregressive model - определение. Что такое autoregressive model
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Что (кто) такое autoregressive model - определение

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Autoregressive model         
  • AR(0); AR(1) with AR parameter 0.3; AR(1) with AR parameter 0.9; AR(2) with AR parameters 0.3 and 0.3; and AR(2) with AR parameters 0.9 and −0.8
  • right
  • right
REPRESENTATION OF A TYPE OF RANDOM PROCESS
Autoregressive; AR(1); Autoregressive process; AR noise; Auto-regressive process; Auto-regression; AR process; Stochastic difference equation; AR model; Autoregression; Autoregressive forecasting; Autoregressive Modeling; Stochastic term; Yule-Walker equations; Burg algorithm; Burg method; Autoregressive models
In statistics, econometrics and signal processing, an autoregressive (AR) model is a representation of a type of random process; as such, it is used to describe certain time-varying processes in nature, economics, etc. The autoregressive model specifies that the output variable depends linearly on its own previous values and on a stochastic term (an imperfectly predictable term); thus the model is in the form of a stochastic difference equation (or recurrence relation which should not be confused with differential equation).
Autoregressive–moving-average model         
STATISTICAL MODEL USED IN TIME SERIES ANALYSIS
Autoregressive moving average; ARMAX; Autoregressive moving average model; ARMA model; Autoregressive moving-average model; Autoregressive-moving-average model
In the statistical analysis of time series, autoregressive–moving-average (ARMA) models provide a parsimonious description of a (weakly) stationary stochastic process in terms of two polynomials, one for the autoregression (AR) and the second for the moving average (MA). The general ARMA model was described in the 1951 thesis of Peter Whittle, Hypothesis testing in time series analysis, and it was popularized in the 1970 book by George E.
Autoregressive conditional heteroskedasticity         
TIME SERIES MODEL
Autoregressive Conditional Heteroskedasticity; ARCH models; GARCH; Autoregressive conditional heteroscedasticity; ARCH; IGARCH; EGARCH; Ngarch; Garch model; ARCH model; GARCH model; Generalized autoregressive conditional heteroscedasticity; Generalized autoregressive conditional heteroskedasticity
In econometrics, the autoregressive conditional heteroskedasticity (ARCH) model is a statistical model for time series data that describes the variance of the current error term or innovation as a function of the actual sizes of the previous time periods' error terms; often the variance is related to the squares of the previous innovations. The ARCH model is appropriate when the error variance in a time series follows an autoregressive (AR) model; if an autoregressive moving average (ARMA) model is assumed for the error variance, the model is a generalized autoregressive conditional heteroskedasticity (GARCH) model.
Nonlinear autoregressive exogenous model         
In time series modeling, a nonlinear autoregressive exogenous model (NARX) is a nonlinear autoregressive model which has exogenous inputs. This means that the model relates the current value of a time series to both:
Model act         
SUGGESTED EXAMPLE FOR HOW TO WRITE A LAW WELL
Model Act; Model law; Model legislation; Model statute; Model Law; Model laws; Model acts; Model bill; Model bills; Model Procurement Code for State and Local Governments
A model act, also called a model law or a piece of model legislation, is a suggested example for a law, drafted centrally to be disseminated and suggested for enactment in multiple independent legislatures. The motivation classically has been the hope of fostering more legal uniformity among jurisdictions, and better practice in legislative wording, than would otherwise occur; another motivation sometimes has been lobbying disguised under such ideals.
Modelled         
  • [[Beverly Johnson]] in 2007
  • runway]] at a [[fashion show]]
  • Atmosphere models at a costume party
  • [[Camille Kostek]] is a normal-size or "middle model" at size 4/6
  • [[Carlson Twins]], two models, at a [[photoshoot]] in 2006
  • Fashion models on the runway during [[Los Angeles Fashion Week]], 2008
  • Fitness model posing with [[dumbbell]]
  • [[Gemma Ward]], an Australian model
  • Glamour models posing on the red carpet — Hollywood, California
  • Camel]], a cigarette brand they are promoting, printed on the backside of their shorts in [[Ibiza]], 2004
  • [[Jean Shrimpton]] in 1965
  • [[Kate Moss]], leader of the [[heroin chic]] movement
  • alt=
  • [[Naomi Campbell]], one of the most famous [[supermodel]]s
  • Podium model modeling a dress by [[Sue Wong]]
  • Tyra Banks (1995)
  • [[Virti Vaghani]], an Indian commercial model
PERSON EMPLOYED TO DISPLAY, ADVERTISE AND PROMOTE PRODUCTS, OR TO SERVE AS A VISUAL AID
Glamour model; Photographic model; Male model; Swimsuit model; Commercial model; Gravure idol; Fashion Modeling; List of Fashion Models; Model (fashion); Top models; Bikini model; Male modeling; Runway models; Runway model; Fashion models; Amateur model; Gravure model; Übermodel; Fitness model (person); House model; Photo model; Aspiring model; Individual models; Modelling career; Gurabia; Glamour Model; Female model; Model (occupation); Print modeling; Print model; Commercial Model; Gravure video; Fashion model; Model (profession); Gravure Idol; Gravure idols; Model (people); Instagram model; Instagram Model; Modelled; Draft:Mohammad Ali MirzaHosseini; Runway modelling; Runway modeling; Exclusive model
·- of Model.
Model (person)         
  • [[Beverly Johnson]] in 2007
  • runway]] at a [[fashion show]]
  • Atmosphere models at a costume party
  • [[Camille Kostek]] is a normal-size or "middle model" at size 4/6
  • [[Carlson Twins]], two models, at a [[photoshoot]] in 2006
  • Fashion models on the runway during [[Los Angeles Fashion Week]], 2008
  • Fitness model posing with [[dumbbell]]
  • [[Gemma Ward]], an Australian model
  • Glamour models posing on the red carpet — Hollywood, California
  • Camel]], a cigarette brand they are promoting, printed on the backside of their shorts in [[Ibiza]], 2004
  • [[Jean Shrimpton]] in 1965
  • [[Kate Moss]], leader of the [[heroin chic]] movement
  • alt=
  • [[Naomi Campbell]], one of the most famous [[supermodel]]s
  • Podium model modeling a dress by [[Sue Wong]]
  • Tyra Banks (1995)
  • [[Virti Vaghani]], an Indian commercial model
PERSON EMPLOYED TO DISPLAY, ADVERTISE AND PROMOTE PRODUCTS, OR TO SERVE AS A VISUAL AID
Glamour model; Photographic model; Male model; Swimsuit model; Commercial model; Gravure idol; Fashion Modeling; List of Fashion Models; Model (fashion); Top models; Bikini model; Male modeling; Runway models; Runway model; Fashion models; Amateur model; Gravure model; Übermodel; Fitness model (person); House model; Photo model; Aspiring model; Individual models; Modelling career; Gurabia; Glamour Model; Female model; Model (occupation); Print modeling; Print model; Commercial Model; Gravure video; Fashion model; Model (profession); Gravure Idol; Gravure idols; Model (people); Instagram model; Instagram Model; Modelled; Draft:Mohammad Ali MirzaHosseini; Runway modelling; Runway modeling; Exclusive model
A model is a person with a role either to promote, display or advertise commercial products (notably fashion clothing in fashion shows) or to serve as a visual aid for people who are creating works of art or to pose for photography. Though models are predominantly female, there are also male models, especially to model clothing.
Ship model         
  • Large commercial model of the IJN ''Akagi'' on display at Pearl Harbor
  • Manned model of a 250 000 dwt tanker
  • Model of a 19th-century English frigate
  • Closeup of the frigate's quarterdeck, showing quality of the detail.
  • US Naval Academy Museum]]
  • votive]] hanging in a church; the workmanship is somewhat crude, but sufficient to identify it as mid-19th-century
  • Large scale model warships in San Diego
  • Palacio de Correos de Mexico]].
  • Model ship cross sections on display in a shop in [[Mauritius]]
  • Test model in a towing tank
  • Prisoner-of-war model]] at the [[Peterborough Museum and Art Gallery]] in Peterborough.
  • model ship from a tomb, [[Ancient Egypt]], c. 2000 BCE
  • [[1:1250 scale]] [[die-cast model]]s of ships
SCALE REPRODUCTION OF A SHIP
Model ship; Model ships; Model boat; Model boats; 1:1250 scale; 1:1250; 1/1250; Miniature sailing boat; Boat model; Yacht model; Sailing boat model; Model sailboat; Sailboat model; Erick Navas; Model boating
Ship models or model ships are scale models of ships. They can range in size from 1/6000 scale wargaming miniatures to large vessels capable of holding people.
Tree model         
  • Classification of African language families
  • Garden of Eden, home of the Ursprache
  • Family tree of Biblical tribes
  • A phylogenetic network, one of many posited by the CPHL. The phylogenetic tree appear in black lines. The contact edges are the red lines. Here there are three, the most parsimonious number required to generate a feasible network for Indo-European.
  • Kashmir (red), Adelung's location of Eden
  • Schleicher's tree model
THEORY IN LINGUISTICS
Genetic model; Cladistic model; Tree Model; Genetic Model; Cladistic Model; Stammbaum
In historical linguistics, the tree model (also Stammbaum, genetic, or cladistic model) is a model of the evolution of languages analogous to the concept of a family tree, particularly a phylogenetic tree in the biological evolution of species. As with species, each language is assumed to have evolved from a single parent or "mother" language, with languages that share a common ancestor belonging to the same language family.
Model (art)         
  • Inspiration]]'' (1915), the second non-pornographic American film containing nude scenes.
  • ''Model writing postcards'' by [[Carl Larsson]] (1906)
  • ''[[The Art of Painting]]'' by [[Johannes Vermeer]], c. 1666
  • Nude study by [[William Mortensen]]
  • ''Portrait d'Olga dans un fauteuil'', ([[Pablo Picasso]]'s wife [[Olga Khokhlova]] in an Armchair), {1917–1918}
  • Artist working from a costumed model
  •  url = https://www.heraldscotland.com/life_style/arts_ents/13152813.life-modelling-art-poise/}}</ref>
  • Life class at the [[Ringling Museum of Art]] in [[Sarasota, Florida]], 1947
  • Young artists studying sculpture in Tel Aviv, 1946
  • were excluded from the life room]] until late in that century.
PERSON WHO POSES FOR ANY VISUAL ARTIST AS PART OF THE CREATIVE PROCESS
Artists' Models; Life model; Artists' models; Art model; Artist's model
An art model poses, often nude, for visual artists as part of the creative process, providing a reference for the human body in a work of art. As an occupation, modeling requires the often strenuous 'physical work' of holding poses for the required length of time, the 'aesthetic work' of performing a variety of interesting poses, and the 'emotional work' of maintaining a socially ambiguous role.