Description Usage Arguments Value Examples
Creates the precision (inverse covariance) matrix of an AR(1) process with
parameters rho
and sigma
, observed at n
consecutive
time points. The process is assumed to be in stationarity and to have
Gaussian errors. The matrix is a tridiagonal band matrix and thus sparse.
1 | ar1_prec_consecutive(n, rho, sigma)
|
n |
An integer greater than or equal to 1. |
rho |
A real number strictly less than 1 in absolute value. |
sigma |
A positive real number. |
A matrix with n
rows and n
columns.
1 2 3 4 5 | library(Matrix)
n <- 5
rho <- 0.5
sigma <- 1
ar1_prec_consecutive(n, rho, sigma)
|
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