capricec

## bubble_by_area.js
/* In working with bubble charts, I've regularly had to work out the math to size the
area of the bubbles correctly.  It's a common mistake and criticism of bubble charts,
when values determine the radius of the bubble rather than the area.
Here's a simple function to do it for you!
*/

// This is the maximum value of the data attribute you wish to map as bubbles
var maxvalue = 70000;

// This is your desired maximum radius
	/* In working with bubble charts, I've regularly had to work out the math to size the
	area of the bubbles correctly. It's a common mistake and criticism of bubble charts,
	when values determine the radius of the bubble rather than the area.
	Here's a simple function to do it for you!
	*/

	// This is the maximum value of the data attribute you wish to map as bubbles
	var maxvalue = 70000;

	// This is your desired maximum radius