anchor.diff:  
   <script>
   
  -	var mapWidth = 600, mapHeight = 700;
  +	var margin = {top: 10, left: 10, bottom: 10, right: 10};
  +
  +	var mapWidth = parseInt(d3.select('#choropleth').style('width'))
  +	  , mapWidth = mapWidth - margin.left - margin.right
  +	  , mapHeight = parseInt(d3.select('#choropleth').style('height'))
  +	  , mapHeight = mapHeight - margin.top - margin.bottom;
  +
  +	var histWidth = parseInt(d3.select('#histogram').style('width'))
  +	  , histWidth = histWidth - margin.left - margin.right
  +	  , histHeight = parseInt(d3.select('#histogram').style('height'))
  +	  , histHeight = histHeight - margin.top - margin.bottom;
  +
  +	var pieWidth = parseInt(d3.select('#pie').style('width'))
  +	  , pieWidth = pieWidth - margin.left - margin.right
  +	  , pieHeight = parseInt(d3.select('#pie').style('height'))
  +	  , pieHeight = pieHeight - margin.top - margin.bottom;
   
   	var parseDate = d3.time.format("%m/%d/%Y %I:%M:%S %p").parse;
   	var formatDate = d3.time.format("%m/%y");
  
positive.code: 			<a class="reset" href="javascript:choropleth.filterAll();dc.redrawAll();" style="display: none;">reset</a>
  		</div>
  	</div>
  	<aside>
  		<div id="histogram">
  			<div>
  				<h2>By Month</h2>
  
negative.code: 				.renderHorizontalGridLines(true);
  
  
  			pie.width(pieWidth)
  				.height(pieHeight)
  				.dimension(borough)
  				.group(boroughCounts)
  				.colors(d3.scale.category10())
  