From: Benjamin Auder <benjamin.auder@somewhere>
Date: Sat, 18 Mar 2017 02:38:30 +0000 (+0100)
Subject: Necessary changes to generate/run C tests.
X-Git-Url: https://git.auder.net/js/css/%7B%7B%20asset%28%27mixstore/images/iris_pca.png%27%29%20%7D%7D?a=commitdiff_plain;h=f72201cc938d66d8a3bf71f990a34731305a0fa9;p=valse.git

Necessary changes to generate/run C tests.
WARNING: still problem with det(rho) in EMGLLF.R
---

diff --git a/pkg/R/generateSampleInputs.R b/pkg/R/generateSampleInputs.R
index 8edd031..7ec361f 100644
--- a/pkg/R/generateSampleInputs.R
+++ b/pkg/R/generateSampleInputs.R
@@ -1,10 +1,10 @@
 #' Generate a sample of (X,Y) of size n
-#' @param meanX matrix of group means for covariates (of size p)
-#' @param covX covariance for covariates (of size p*p)
-#' @param covY covariance for the response vector (of size m*m*K)
-#' @param pi	 proportion for each cluster
+#' @param meanX matrix of group means for covariates (p x K)
+#' @param covX covariance for covariates (p x p x K)
+#' @param covY covariance for the response vector (m x m x K)
+#' @param pi proportion for each cluster
 #' @param beta regression matrix, of size p*m*k
-#' @param n		sample size
+#' @param n sample size
 #'
 #' @return list with X and Y
 #' @export
@@ -22,9 +22,7 @@ generateXY = function(meanX, covX, covY, pi, beta, n)
 	for (i in 1:n)
 	{
 		class[i] = sample(1:k, 1, prob=pi)
-		X[i,] = mvrnorm(1, meanX, covX)
-		print(X[i,])
-		print(beta[,,class[i]])
+		X[i,] = mvrnorm(1, meanX[,class[i]], covX[,,class[i]])
 		Y[i,] = mvrnorm(1, X[i,] %*% beta[,,class[i]], covY[,,class[i]])
 	}
 
diff --git a/reports/essai16mars.R b/reports/essai16mars.R
index 88659ab..59bbb53 100644
--- a/reports/essai16mars.R
+++ b/reports/essai16mars.R
@@ -3,8 +3,13 @@ q = 8
 k = 2
 D = 20
 
-meanX = rep(0,p)
-covX = 0.1*diag(p)
+meanX = matrix(nrow=p,ncol=k)
+meanX[,1] = rep(0,p)
+meanX[,2] = rep(1,p)
+
+covX = array(dim=c(p,p,k))
+covX[,,1] = 0.1*diag(p)
+covX[,,2] = 0.5*diag(p)
 
 covY = array(dim = c(q,q,k))
 covY[,,1] = 0.1*diag(q)
diff --git a/test/generate_test_data/EMGLLF.R b/test/generate_test_data/EMGLLF.R
index 41eb7cf..fc3220f 100644
--- a/test/generate_test_data/EMGLLF.R
+++ b/test/generate_test_data/EMGLLF.R
@@ -128,7 +128,7 @@ EMGLLF_R = function(phiInit,rhoInit,piInit,gamInit,mini,maxi,gamma,lambda,X,Y,ta
       sumLLF1 = 0.0;
       for (r in 1:k)
 			{
-				Gam[i,r] = pi[r] * exp(-0.5*sqNorm2[r])* det(rho[,,r])
+				Gam[i,r] = pi[r] * exp(-0.5*sqNorm2[r]) #* det(rho[,,r]) #FIXME: still issues here ?!?!
         sumLLF1 = sumLLF1 + Gam[i,r] / (2*base::pi)^(m/2)
       }
       sumLogLLF2 = sumLogLLF2 + log(sumLLF1)