Description Usage Arguments Value Examples
Creates the upper Cholesky triangle of the covariance matrix of an AR(1)
process with parameters rho
and sigma
, observed at the time
points in the vector times
. The process is assumed to be in
stationarity and to have Gaussian errors.
1 | ar1_cov_chol_irregular(times, rho, sigma)
|
times |
An vector of positive integers, preferably ordered. |
rho |
A real number strictly less than 1 in absolute value. |
sigma |
A positive real number. |
A square matrix with length(times)
rows.
1 2 3 4 | times <- c(1, 4:5, 7)
rho <- 0.5
sigma <- 1
ar1_cov_chol_irregular(times, rho, sigma)
|
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