From 919e744e879efef0964c411a8971dcb33dd70e8f Mon Sep 17 00:00:00 2001
From: Rob Johnson <rob.johnson@mrc-bsu.cam.ac.uk>
Date: Fri, 22 Mar 2019 10:06:24 +0000
Subject: [PATCH] fix fixed effect sign for longitudinal likelihood

---
 PReMiuM/src/include/PReMiuMModel.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PReMiuM/src/include/PReMiuMModel.h b/PReMiuM/src/include/PReMiuMModel.h
index d4f2d58..b83af09 100644
--- a/PReMiuM/src/include/PReMiuMModel.h
+++ b/PReMiuM/src/include/PReMiuMModel.h
@@ -2535,7 +2535,7 @@ double logPYiGivenZiWiLongitudinal(const pReMiuMParams& params, const pReMiuMDat
 				timesk[counter+j] = times[tStart[i]-1+j];
 				meanVec(counter+j) = 0.0;
 				for(unsigned int b=0;b<nFixedEffects;b++){
-					yk(counter+j)+=params.beta(b,0)*dataset.W(i,b);
+					yk(counter+j) -= params.beta(b,0)*dataset.W(i,b);
 				}
 			}
 			//RJ tidy up vector copying