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Sample finite-dimensional vectors to use as latent position vectors in random dot product graphs
sample_dirichlet(n, alpha)
A dim (length of the alpha vector for sample_dirichlet) times n matrix, whose columns are the sample vectors.
dim
alpha
sample_dirichlet
n
Integer scalar, the sample size.
Numeric vector, the vector of \(\alpha\) parameter for the Dirichlet distribution.
sample_dirichlet generates samples from the Dirichlet distribution with given \(\alpha\) parameter. The sample is drawn from length(alpha)-1-simplex.
length(alpha)-1
Other latent position vector samplers: sample_sphere_surface(), sample_sphere_volume()
sample_sphere_surface()
sample_sphere_volume()
lpvs.dir <- sample_dirichlet(n=20, alpha=rep(1, 10)) RDP.graph.2 <- sample_dot_product(lpvs.dir) colSums(lpvs.dir)
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