Vector autoregression (VAR) is a statistical model used to capture the relationship between multiple quantities as they change over time. VAR is a type...
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statistics and econometrics, Bayesian vector autoregression (BVAR) uses Bayesian methods to estimate a vector autoregression (VAR) model. BVAR differs with standard...
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a vector space as a codomain Vectorization (mathematics), a linear transformation that converts a matrix into a column vector Vector autoregression, an...
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average model (ARIMA). With multiple interrelated data series, vector autoregression (VAR) or its extensions are used. In ordinary least squares (OLS)...
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decomposition (FEVD) is used to aid in the interpretation of a vector autoregression (VAR) model once it has been fitted. The variance decomposition...
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Principal component analysis (redirect from Characteristic vector analysis)
space are a sequence of p {\displaystyle p} unit vectors, where the i {\displaystyle i} -th vector is the direction of a line that best fits the data...
117 KB (14,851 words) - 02:19, 10 May 2025
the standard deviation of the vector (x1, x2, x3), multiplied by the square root of the number of dimensions of the vector (3 in this case). An observation...
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Autoregressive model (redirect from Autoregression)
model is a special case of the vector autoregressive model, the computation of the impulse response in vector autoregression#impulse response applies here...
34 KB (5,421 words) - 03:27, 4 February 2025
acronyms are extended by including an initial "V" for "vector", as in VAR for vector autoregression. An additional set of extensions of these models is available...
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expectations. A similar test involving more variables can be applied with vector autoregression. The validity of the Granger causality test has been challenged...
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Multivariate normal distribution (redirect from Normal random vector)
normal distribution to higher dimensions. One definition is that a random vector is said to be k-variate normally distributed if every linear combination...
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equation, with different dependent variables, estimated together. Vector autoregression involves simultaneous regressions of various time series variables...
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(Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) Frequency domain Spectral density estimation Fourier analysis...
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can be expressed with a weight vector w. To calculate the correlation between vectors x and y with the weight vector w (all of length n), Weighted mean:...
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usually call shocks, and are often modeled in the context of a vector autoregression. Impulses that are often treated as exogenous from a macroeconomic...
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{\displaystyle (a_{1},\dots ,a_{n})={m^{\mathsf {T}}V^{-1} \over C},} where C is a vector norm: C = ‖ V − 1 m ‖ = ( m T V − 1 V − 1 m ) 1 / 2 {\displaystyle...
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Multivariate random variable (redirect from Random vector)
The evolution of a k×1 random vector X {\displaystyle \mathbf {X} } through time can be modelled as a vector autoregression (VAR) as follows: X t = c +...
21 KB (3,442 words) - 21:52, 18 February 2025
Bayesian statistics Bayesian tool for methylation analysis Bayesian vector autoregression BCMP network – queueing theory Bean machine Behrens–Fisher distribution...
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any random variable assuming values from a vector space, including the real numbers (a one-dimensional vector space) and the integers (which can be considered...
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Mean (redirect from Mean vector)
(Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) Frequency domain Spectral density estimation Fourier analysis...
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descriptions as a fallback Bayesian vector autoregression – use of Bayesian methods to estimate a vector autoregression modelPages displaying wikidata descriptions...
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classification are: Decision trees Random forests Bayesian networks Support vector machines Neural networks Logistic regression Probit model Genetic Programming...
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data set X, thought of as a vector x = (x1,…,xn), the dispersion about a point c is the "distance" from x to the constant vector c = (c,…,c) in the p-norm...
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assumes that the relationship between the dependent variable y and the vector of regressors x is linear. This relationship is modeled through a disturbance...
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Among other things, he was one of the main promoters of the use of vector autoregression in empirical macroeconomics. However, some of the maintained assumptions...
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(Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) Frequency domain Spectral density estimation Fourier analysis...
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mean and the covariance matrix of the random vector X {\displaystyle \textstyle \mathbf {X} } , a vector whose jth element ( j = 1 , … , K ) {\displaystyle...
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(Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) Frequency domain Spectral density estimation Fourier analysis...
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(Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) Frequency domain Spectral density estimation Fourier analysis...
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; Yang, Y. (June 2018). "Bridging AIC and BIC: A New Criterion for Autoregression". IEEE Transactions on Information Theory. 64 (6): 4024–4043. arXiv:1508...
21 KB (2,412 words) - 01:50, 1 May 2025