[visualization-api] DataView for Chart

[Gavin Dundee]

I am seeking help.  Here is my datatable setup:
  var grouped_data = google.visualization.data.group(
    proxyDataTable,
    [yearIndex],
    [
      {'column': sschIndex, 'aggregation': google.visualization.data.sum, 
'type':'number'},
      {'column': enrollmentsIndex, 'aggregation': google.visualization.data.
sum, 'type':'number'},
      {'column': crnIndex, 'aggregation': google.visualization.data.count, 
'type':'number'}
    ]
  );

Now I am creating a view:
var view = new google.visualization.DataView(grouped_data);

Then I draw the view:
view.setColumns([[0,1],[0,1],[0,1]]);
chart0.setDataTable(view);
chart0.draw();

My issue is with setColumns().  There are 3 columns being displayed.  I 
thought I would be able to use this code:
view.setColumns([1,2]);
To display only columns 1 and 2 and not show column 3.  My assumption is 
that [1,2,3] would show all the columns, but that does not work either.  I 
am not sure where to go from here I have tried setColumns with many 
different arrays, but I am just guessing at this point.  Can anyone help 
determine how I could hide a column using setColumns?

I attached a screenshot of what my chart looks like.

Thanks in advance for any help!!

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