... values of the data, using d3. extent:var x_extent = d3. extent(data, function(d){return d.collision _with_ injury});The function d3. extent is a convenience function that D3 provides that returns ... spruce it up a little without mucheffort, and make it easier to grok. Let’s set the font weight of the lines with “GOODSERVICE” to normal, and those without to bold: d3. selectAll("li") ... An attribution usually includes the title,author, publisher, and ISBN. For example: Getting Started with D3 by Mike Dewar(O’Reilly). Copyright 2012 Mike Dewar, 978-1-449-32879-5.”If you feel...