Concatenate full data

Author: andreicuceu

vega/vega_interface.py

@@ -274,6 +274,7 @@ def chi2(self, params=None, direct_pk=None):
 
         if self._use_global_cov:
             full_model = np.concatenate(full_model)
+            full_masked_data = np.concatenate(full_masked_data)
             diff = full_masked_data - full_model[self.full_model_mask]
             chi2 = diff.T.dot(self.masked_global_invcov.dot(diff))