typo

diff --git a/R/initSmallEM.R b/R/initSmallEM.R
index c24fca9..b70eea9 100644 (file)
--- a/R/initSmallEM.R
+++ b/R/initSmallEM.R
@@ -37,7 +37,7 @@ initSmallEM = function(k,X,Y,tau)
                        Z_vec = Z_bin$vec #vecteur 0 et 1 aux endroits o? Z==r
                        Z_indice = Z_bin$indice #renvoit les indices o? Z==r
                        
-                       betaInit1[,,r,repet] = ginv(t(X[Z_indice,])*X[Z_indice,])%*%t(X[Z_indice,])%*%Y[Z_indice,]
+                       betaInit1[,,r,repet] = ginv( crossprod(X[Z_indice,]) )   %*%   crossprod(X[Z_indice,], Y[Z_indice,]) 
                        sigmaInit1[,,r,repet] = diag(m)
                        phiInit1[,,r,repet] = betaInit1[,,r,repet]/sigmaInit1[,,r,repet]
                        rhoInit1[,,r,repet] = solve(sigmaInit1[,,r,repet])
@@ -48,7 +48,7 @@ initSmallEM = function(k,X,Y,tau)
                {
                        for(r in 1:k)
                        {
-                               dotProduct = 3 * (Y[i,]%*%rhoInit1[,,r,repet]-X[i,]%*%phiInit1[,,r,repet]) %*% (Y[i,]%*%rhoInit1[,,r,repet]-X[i,]%*%phiInit1[,,r,repet])
+                               dotProduct = (Y[i,]%*%rhoInit1[,,r,repet]-X[i,]%*%phiInit1[,,r,repet]) %*% (Y[i,]%*%rhoInit1[,,r,repet]-X[i,]%*%phiInit1[,,r,repet])
                                Gam[i,r] = piInit1[repet,r]*det(rhoInit1[,,r,repet])*exp(-0.5*dotProduct)
                        }
                        sumGamI = sum(Gam[i,])