diff --git a/matlab/prior_posterior_statistics.m b/matlab/prior_posterior_statistics.m
index 723d7056f..b388007d4 100644
--- a/matlab/prior_posterior_statistics.m
+++ b/matlab/prior_posterior_statistics.m
@@ -40,7 +40,7 @@ global options_ estim_params_ oo_ M_ bayestopt_
 
 localVars=[];
 
-Y = dataset.data;
+Y = transpose(dataset.data);
 gend = dataset.nobs;
 data_index = dataset_info.missing.aindex;
 missing_value = dataset_info.missing.state;