diff --git a/src/gui_estimation.m b/src/gui_estimation.m
index 0a481310b460d47f6f0a15923a981dd316f46d4a..a7a8ffd0b6814100c37902759ef9ef1672dd1d3e 100644
--- a/src/gui_estimation.m
+++ b/src/gui_estimation.m
@@ -38,7 +38,7 @@ gui_size = gui_tools.get_gui_elements_size(tabId);
 
 do_not_check_all_results = 0;
 
-% --- PANELS -------------------------------------
+% Panels
 handles.uipanelResults = uipanel( ...
     'Parent', tabId, ...
     'Tag', 'uipanelVars', 'BackgroundColor', special_color,...
@@ -62,7 +62,7 @@ handles.uipanelComm = uipanel( ...
     'Units', 'normalized', 'Position', [0.01 0.09 0.98 0.09], ...
     'Title', 'Current command options:');
 
-% --- STATIC TEXT -------------------------------------
+% Text
 uicontrol( ...
     'Parent', tabId, 'Tag', 'text7', ...
     'Style', 'text', 'BackgroundColor', bg_color,...
@@ -79,7 +79,6 @@ uicontrol( ...
     'String', 'Select endogenous variables that will be used in estimation:', ...
     'HorizontalAlignment', 'left');
 
-
 if ~isfield(model_settings, 'estimation')
     model_settings.estimation = struct();
 end
@@ -102,8 +101,7 @@ handles.estimation = uicontrol( ...
     'TooltipString', comm_str, ...
     'HorizontalAlignment', 'left');
 
-
-% --- PUSHBUTTONS -------------------------------------
+% Buttons
 handles.pushbuttonEstimation = uicontrol( ...
     'Parent', tabId, ...
     'Tag', 'pushbuttonSimulation', ...
@@ -156,19 +154,18 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
     'Callback', @pushbuttonCommandDefinition_Callback);
         
     function uipanelResults_CreateFcn()
-    results = dynare_gui_.est_results;
-
-    names = fieldnames(results);
-    num_groups = size(names,1);
-    current_result = 1;
-    maxDisplayed = 12;
+        results = dynare_gui_.est_results;
+        names = fieldnames(results);
+        num_groups = size(names,1);
+        current_result = 1;
+        maxDisplayed = 12;
 
-    % Create tabs
-    handles.result_tab_group = uitabgroup(handles.uipanelResults,'Position',[0 0 1 1]);
+        % Create tabs
+        handles.result_tab_group = uitabgroup(handles.uipanelResults,'Position',[0 0 1 1]);
 
-    for iii = 1:num_groups
-        create_tab(iii, names{iii});
-    end
+        for iii = 1:num_groups
+            create_tab(iii, names{iii});
+        end
 
         function create_tab(num,group_name)
             new_tab = uitab(handles.result_tab_group, 'Title',group_name , 'UserData', num);
@@ -186,11 +183,14 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
 
         % Create slider
         if numTabResults > maxDisplayed
-            sld = uicontrol('Style', 'slider',...
+            uicontrol('Style', 'slider',...
                 'Parent', tabs_panel, ...
-                'Min',0,'Max',numTabResults - maxDisplayed,'Value',numTabResults - maxDisplayed ,...
-                'Units','normalized','Position',[0.968 0 .03 1],...
-                'Callback', {@scrollPanel_Callback,num,numTabResults} );
+                'Min', 0, ...
+                'Max', numTabResults - maxDisplayed, ...
+                'Value', numTabResults - maxDisplayed , ...
+                'Units', 'normalized', ...
+                'Position', [0.968 0 .03 1], ...
+                'Callback', {@scrollPanel_Callback,num,numTabResults});
         end
 
         for ii = 1:numTabResults
@@ -208,24 +208,23 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
                 'BackgroundColor', special_color,...
                 'Visible', visible,...
                 'Callback',{@checkbox_Callback,group{ii,3}} );
-            handles.results(current_result)= handles.tab_results(num, ii);
+            handles.results(current_result) = handles.tab_results(num, ii);
             current_result = current_result + 1; %all results on all tabs
         end
 
         handles.num_results=current_result-1;
 
-            function checkbox_Callback(hObject, callbackdata, comm_option)
+            function checkbox_Callback(hObject, ~, comm_option)
                 if isempty(comm_option)
                     return
                 end
-                value = get(hObject, 'Value');
-                num_options = size(comm_option,2);
-                if isfield(model_settings,'estimation')
+                num_options = size(comm_option, 2);
+                if isfield(model_settings, 'estimation')
                     user_options = model_settings.estimation;
                 else
                     user_options = struct();
                 end
-                if value
+                if hObject.Value
                     for i = 1:num_options
                         option_value = comm_option(i).option;
                         indx = findstr(comm_option(i).option, '.');
@@ -267,9 +266,8 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
 
                 model_settings.estimation =  user_options;
                 comm_str = gui_tools.command_string('estimation', user_options);
-
-                set(handles.estimation, 'String', comm_str);
-                set(handles.estimation, 'TooltipString', comm_str);
+                handles.estimation.String = comm_str;
+                handles.estimation.TooltipString = comm_str;
 
                 if ~do_not_check_all_results
                     check_all_result_option();
@@ -284,13 +282,13 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
             end
 
             function scrollPanel_Callback(hObject, ~, tab_index, num_results)
-                move = num_results - maxDisplayed - floor(get(hObject, 'Value'));
+                move = num_results - maxDisplayed - floor(hObject.Value);
                 for iiii = 1:num_results
                     if iiii <= move || iiii > move+maxDisplayed
-                        set(handles.tab_results(tab_index, iiii), 'Visible', 'off');
+                        handles.tab_results(tab_index, iiii).Visible = 'off';
                     else
-                        set(handles.tab_results(tab_index, iiii), 'Visible', 'on');
-                        set(handles.tab_results(tab_index, iiii), 'Position', [3 top_position-(iiii-move)*2 60 2]);
+                        handles.tab_results(tab_index, iiii).Visible = 'on';
+                        handles.tab_results(tab_index, iiii).Position = [3 top_position-(iiii-move)*2 60 2];
                     end
                 end
             end
@@ -337,7 +335,7 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
                     end
                     jj = jj+1;
                 end
-                set(handles.tab_results(num,ii), 'Value', selected);
+                handles.tab_results(num,ii).Value = selected;
                 ii = ii+1;
             end
         end
@@ -345,11 +343,6 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
     end
 
     function pushbuttonEstimation_Callback(hObject, ~)
-        if ~any([handles.endoTable.Data{:, 1}])
-            gui_tools.show_warning('Please select variables');
-            uicontrol(hObject);
-            return
-        end
         handles.pushbuttonResults.Enable = 'off';
         old_options = options_;
         old_oo = oo_;
@@ -394,12 +387,12 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
     function pushbuttonReset_Callback(~, ~)
         handles.endoTable.Data(:, 1) = {false};
         for ii = 1:handles.num_results
-            set(handles.results(ii),'Value',0);
+            handles.results(ii).Value = 0;
         end
         model_settings.estimation = struct();
         comm_str = gui_tools.command_string('estimation', model_settings.estimation);
-        set(handles.estimation, 'String', comm_str);
-        set(handles.estimation, 'TooltipString', comm_str);
+        handles.estimation.String = comm_str;
+        handles.estimation.TooltipString = comm_str;
     end
 
     function pushbuttonCommandDefinition_Callback(~, ~)
@@ -425,7 +418,7 @@ handles.pushbuttonCommandDefinition = uicontrol( ...
             handles.estimation.String = comm_str;
             handles.estimation.TooltipString = comm_str;
             check_all_result_option();
-            gui_tools.project_log_entry('Defined command estimation',comm_str);
+            gui_tools.project_log_entry('Defined command estimation', comm_str);
         catch ME
             gui_tools.show_error('Error in defining estimation command', ME, 'basic');
             model_settings.estimation = old_comm;