Need help on Pie Chart transition on taking DATA from mouse hover to a STATE of the Map

[AKOIJAM RANJAN]

I need some help about D3js about connecting data.

here is the one iam working on::

http://jsfiddle.net/2emnt8m3/16/

The value should be taken only from the state that the mouse hover for generating PIE chart . but i am facing some difficulty in taking the DATA from the mouse hover, Any help would be appreciated.

http://stackoverflow.com/questions/28924238/need-help-on-pie-chart-transition-on-taking-data-from-mouse-hover-to-a-state-of

[AKOIJAM RANJAN]

Example that I show, is Ebola Dashboard:  http://simonbjohnson.github.io/Ebola_Dashboard/

I want in pie chart instead of line chart. Similarly