code: function ( start, end, offset ) {
  		start      = start  || 0;
  		end        = end    || start;
  		offset     = offset || 1;
  		var result = [],
  		    n      = -1,
  		    nth    = Math.max( 0, Math.ceil( ( end - start ) / offset ) );
  
  		while ( ++n < nth ) {
  			result[n]  = start;
  			start     += offset;
  		}
  
  		return result;
  	}
docs: Generates a series Array
  
  @method series
  @param  {Number} start  Start value the series
  @param  {Number} end    [Optional] The end of the series
  @param  {Number} offset [Optional] Offset for indices, default is 1
  @return {Array}         Array of new series