I ran the script you posted through FF, Chrome, IE 8, and IE 9 and didn't 
see any performance problems.

On Thursday, July 12, 2012 2:43:42 AM UTC-4, kp wrote:
>
> Thanks a lot for the solution that you have provided with examples. 
> It worked out well.
>
> One small issue that i am seeing here is the there is delay in the display 
> of average and geomean values after any of the selection criteria is 
> changed. Any idea to make this faster? I don't see this in the example that 
> you have sent. 
>
>
> On Wed, Jul 11, 2012 at 9:17 PM, asgallant <[email protected]>wrote:
>
>> This is fairly easy to do.  Set up a 'ready' event handler for the Table 
>> that gets the DataTable used by the Table, and then group on this data to 
>> get the average and geometric mean of the data.  See an example here: 
>> http://jsfiddle.net/asgallant/rEhUp/ 
>>
>> If you don't want to show the charts, then you can drop all but one from 
>> the visualization, and hide the div that the last one resides in.  See 
>> example here: http://jsfiddle.net/asgallant/rEhUp/1/ 
>>
>>
>> On Wednesday, July 11, 2012 1:40:50 AM UTC-4, kp wrote:
>>>
>>> Hi all,
>>>
>>> This is the first time i am using Google charts.
>>> Please find the attached html file in which i am able to select age and 
>>> roolNumber ranges using 2 NumberRangeFilter sliders. And the graphs are 
>>> showing only the row values that fall within this range.
>>>
>>> Now i want to calculate the Average and geomean of Age values which fall 
>>> within the selected range and display them on the webpage instead of 
>>> drawing the chart for all individual rows.
>>>
>>> Thanks in advance.
>>>
>>>
>>>
>>>
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>
>

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