Function to compute A

This function make a Dirichlet distribution

compute_A(n = 100, prop = c(0.3, 0.6, 0.1), alpha0 = 1)

Arguments

n

The number of patients to simulate.
prop

The different proportion of cell types in a vector of size k (number of cell types).
alpha0

The variance between the patients, 1 is an high variance and 10,000 is a very low variance.

Value

This function return a matrix of size k*n with the cell type proportions.