From: Benjamin Goehry <benjamin.goehry@math.u-psud.fr>
Date: Mon, 9 Jan 2017 13:43:16 +0000 (+0100)
Subject: typo
X-Git-Url: https://git.auder.net/?p=valse.git;a=commitdiff_plain;h=71a8ee557968aa1130b9c5e47690cf73631474a4

typo
---

diff --git a/R/initSmallEM.R b/R/initSmallEM.R
index c24fca9..b70eea9 100644
--- 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,])