Description Usage Arguments Details Examples
Creates a correlation or covariance matrix given a vector of values for the lower triangle.
1 | create_corr(x, diagonal = NULL)
|
x |
A numeric vector |
diagonal |
A vector of variances |
This function takes the provided values and creates a symmetric (covariance) matrix, e.g. for simulation or demonstration purposes. The values are filled column-wise in the lower triangle first. For example mat[1,2] = x[1]
, mat[1,3] = x[2]
and so on.
1 2 3 4 5 | library(lazerhawk)
cors = runif(6, -1, 1)
create_corr(cors)
covs = runif(3, 1, 5)
create_corr(covs, diag=c(1,2,3))
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