for (r in 1:k)
{
Z <- Zinit1[, repet]
- Z_indice <- seq_len(n)[Z == r] #renvoit les indices oรน Z==r
+ Z_indice <- seq_len(n)[Z == r] #renvoit les indices ou Z==r
if (length(Z_indice) == 1) {
betaInit1[, , r, repet] <- MASS::ginv(crossprod(t(X[Z_indice, ]))) %*%
crossprod(t(X[Z_indice, ]), Y[Z_indice, ])