Fix for the pzmm regression model example, second attempt.

Author: smlindauer

examples/pzmmModelImportExampleRegression.ipynb

@@ -204,8 +204,7 @@
     "    J.writeVarJSON(data[predict], isInput=True, jPath=zipFolder)\n",
     "    \n",
     "    # Set output variables and assign an event threshold, then write output variable mapping\n",
-    "    outputVar = pd.DataFrame(columns=['EM_PREDICTION'])\n",
-    "    outputVar['EM_PREDICTION'].loc[1] = 0.5\n",
+    "    outputVar = pd.DataFrame(data=[[0.5]], columns=['EM_PREDICTION'])\n",
     "    J.writeVarJSON(outputVar, isInput=False, jPath=zipFolder)\n",
     "    \n",
     "    # Write model properties to a json file\n",