covarianceOU_matrix: Covariance matrix
In abichat/zazou: Z-Scores As Ornstein-Uhlenbeck

Compute normalized covariance matrix

1	covarianceOU_matrix(tree, alphaOU)

`tree`	a phylo object
`alphaOU`	hyperparameter

The coefficient is proportional to (exp(- α * d_{i,j}) - exp(-2 * α * h)) / (2 * α)

the covariance matrix of the OU process on the tree

1 2	tree <- ape::rtree(3) covarianceOU_matrix(tree, alpha = 1)

abichat/zazou documentation built on Sept. 8, 2021, 6:53 a.m.

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