initialize undocumented options that would otherwise lead to a crash in...

initialize undocumented options that would otherwise lead to a crash in occbin.shock_decomposition (unrecognized field name)

matlab/+occbin/set_default_options.m

@@ -174,6 +174,9 @@ if ismember(flag,{'shock_decomp','all'})
     options_occbin_.shock_decomp.shocks_only=false;
     options_occbin_.shock_decomp.total_effect=false;
     options_occbin_.shock_decomp.conditional_only=true;
+    options_occbin_.shock_decomp.exclude_shock_from_weights='';
+    options_occbin_.shock_decomp.variable_for_computing_weights='';
+    options_occbin_.shock_decomp.variable_for_computing_weights_lower_bound='';
     options_occbin_.shock_decomp.TINIT = dates(); % date to initialize states for shock decomp
 %     options_occbin_.shock_decomp.use_shock_groups=options_.plot_shock_decomp.use_shock_groups;
 end