// Set up your svg
var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

// Set up your scales

// Read in your data
queue()
  .defer(d3.csv, "../data-file.csv")
  .await(ready);

// 
function ready(error, data) {
	// set up any more scale work

	// bind/append/etc your data

	d3.select("#button").on("click", function(d) {
		// change things on click
	});
}