Calculate the matrix of interaction terms between groups of species and groups of sample
alpha_calculation(
s_ik = s_ik,
t_jg = t_jg,
nu_j = nu_j,
mu_i = mu_i,
K = K,
G = G,
x = x,
exp_utilde = exp_utilde
)a matrix of dimension (K,G) of the terms of interactions.
s_ik.
t_jg.
nu_j.
mu_i.
K.
G.
a matrix of observations. Columns correspond to biological samples and rows to microorganisms.
exp_utilde.