json - Advice on JavaScript library for visualizing Yahoo Pipe Output -

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i'm writing javascript library. project school need make easier visualize data yahoo pipes. data format json string, can contain anything, contains list of items, different attributes each item.
this approach quite general , wondering functionality insert library. how can deal general flow of data make usable library kinds of data.. data yahoo pipes can news items (title, description, postdate, images, links,..) yahoo pipes has functionality parsing csv files, "data tables" possible.
also thinking structure of library, best way implement it. in general library needs load in data pipe (json string) , pass visualization library google chart or d3.js (formerly protovis)
i consider javascript skill level 'rookie' :)
replies, advice welcome!


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