I don't see an easy way to do what you want. Exhibit is focused
primarily on showing _collections_ and does not in itself provide
powerful operators for computing aggregate functions.
Two things hint at the kind of functionality you'd like. Exhibit does
have an "expression language" that can be used to aggregate values
_inside a lens_, so for example to sum the lengths of all a presidents'
terms of office in
http://trunk.simile-widgets.org/exhibit/examples/presidents/presidents.html
:
add(foreach(.presidency, date-range(.inDate, default(.outDate, now()),
'day'))),
But lenses cover individual items, not collections. More sophisticated
aggregation is generally done by individual views, and nobody has
created a view that aggregates by summing the way you want.
On Wednesday, November 09, 2011 10:09:25 AM, KC wrote:
Any Idea on how to add any method to enable this summary/pivot table
basing only on the existing JSON?
Please guide me to a place to add/edit code.
On Nov 7, 9:50 am, David Karger<[email protected]> wrote:
I'm afraid I can't understand what you're trying to do. Perhaps an
example would help.
On 11/7/2011 9:31 AM, KC wrote:
Hi,
Thank you very much for this amazing framework to all the
contributors.
I have a data set in JSON file with 40+ properties for each item. I am
trying to add a small summary table on the page grouped by a specific
property, just like a SQL query group by feature with one-row for each
specified property tyep. I am very new to this framework and couldn't
find this in the documentation. Let me know if I can add some code
anywhere to enable this feature.
-KC
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