7. The computer system of claim 6 , wherein executing the plurality of computer executable instructions further causes the computer system to: receive a user input specifying a manipulation to be performed on the first chart; performing the manipulation on the first chart based at least in part upon the received input; and automatically performing a corresponding manipulation on the second chart in response to the manipulation of the first chart.
7. The computer system of claim 6 , wherein executing the plurality of computer executable instructions further causes the computer system to: receive a user input specifying a manipulation to be performed on the first chart; performing the manipulation on the first chart based at least in part upon the received input; and automatically performing a corresponding manipulation on the second chart in response to the manipulation of the first chart. 8. The computer system of claim 7 , wherein the corresponding manipulation of the second chart is only performed if the first chart has a compatible attribute with the second chart.