anchor.diff:  					.scale y
   					.orient \left
   
  -				svg = d3.select \body
  +				svg = d3.select \#graph
   					.append \svg
   						.attr \width  width  + margin.left + margin.right
   						.attr \height height + margin.top  + margin.bottom
  -							..append \g
  -								.attr \transform "translate(#{margin.left}, #{margin.top})"
  +					.append \g
  +						.attr \transform "translate(#{margin.left}, #{margin.top})"
   
   				line = d3.svg.line!
   					.x -> x new Date it.timestamp
  -					.y -> y it.value
  +					.y -> y +it.value
   
   				svg.append \g
   					.attr \class 'x axis'
  
positive.code: 					top:    20
  					right:  20
  					bottom: 30
  					left:   50
  				width  = 950 - margin.left - margin.right
  				height = 500 - margin.top - margin.bottom
  
  				x = d3.time.scale!.range   [0 width]
  				y = d3.scale.linear!.range [height, 0]
  
negative.code: 
  	body
  		h1 Group #{group} #{type} sensor
  		#graph
  		p
  			| Time Window: 
  			span#time-val 4000
  			| &nbsp;ms
  			input#time-slider.slider(type='range',  max='100000', value='4000')
  		p
  			| Entry Window: 
  			span#count-val 100
  			| &nbsp;entries
  			input#count-slider.slider(type='range', max='1000',  value='100')
  