get_covmat: Generate a covariance matrix

In metan: Multi Environment Trials Analysis

Generate a covariance matrix

Description

Given the variances and desired correlations, generate a covariance matrix

Usage

get_covmat(cormat, var)

Arguments

cormat	A symmetric matrix with desired correlations.
var	A numeric vector with variances. It must have length equal to the number of elements in the diagonal of cormat.

Value

A (co)variance matrix

Author(s)

Tiago Olivoto [e-mail]

Examples

cormat <-
matrix(c(1,  0.9, -0.4,
         0.9,  1,  0.6,
        -0.4, 0.6, 1),
      nrow = 3,
      ncol = 3)
get_covmat(cormat, var =  c(16, 25, 9))

metan documentation built on March 7, 2023, 5:34 p.m.