Removing static elements

gistfile1.js

            d3.json(path, function(data){

                var data_altb = d3.entries(data);

                // console.log(data_alt)

                // Complexity Mean
                mean = d3.mean(data_altb, function(d){ return d.value.parameters.complexity })

                // Get complexity extent
                    var complexity_ext = d3.extent(data_altb, function(d){
                        return parseInt(d.value.parameters.complexity * 100);
                    })

                // Get max min values for coolness
                    var coolness_ext = d3.extent(data_altb, function(d){
                        return parseInt(d.value.coolness);
                    })

                // Setup scale for coolness
                    var coolness_val = d3.scale.linear()
                        .domain([coolness_ext[0], coolness_ext[1]])
                        .range([0, 100])

                    var coolness_val_opacity = d3.scale.linear()
                        .domain([coolness_ext[0], coolness_ext[1]])
                        .range([0, 1])

                // Setup colorscale for coolness
                    var coolness_color = d3.scale.linear()
                        .domain([coolness_ext[0], coolness_ext[1]])
                        .range(['#f000ff', '#00fff0'])

                // Set up scales
                    var xScale = d3.scale.linear()
                        .domain([complexity_ext[0], complexity_ext[1]])
                        .range([padding, w_alt - padding]);

                    var avg_complexity = d3.select('#bubble_plot_altb')

                    avg_complexity.append('g')
                    .attr('id', 'average_complexityb')
                    .append('rect')
                    .attr('x', xScale(mean * 100))
                    .attr('y', 50)
                    .attr('fill', '#ffffff')
                    .attr('height', '100')
                    .attr('width', '1')
                    .attr('opacity', 0.5)

                    d3.select('#average_complexityb')
                    .append('text')
                    .text(' ' + 'Average complexity:' + ' ' + parseFloat(mean * 100).toFixed(2))
                    .attr('x', xScale(mean * 100) + 10)
                    .attr('y', 55)
                    .attr('fill', '#fff')
                    .attr('font-size', '12px')

                    var groups = d3.select('#bubble_plot_altb')
                    .selectAll('g')
                    .data(data_altb)

                    groups.enter()
                    .append('g')
                    .attr('transform', function(d, i){
                        return 'translate(' + xScale(d.value.parameters.complexity * 100) + ',0)';
                    })
                    .append('circle')

                    groups.selectAll('circle')
                        .attr('r', function(d){ 
                            radius_val = Math.sqrt(coolness_val(d.value.coolness) / Math.PI)
                            return radius_val
                        })
                        .attr('fill', function(d){ return coolness_color(d.value.coolness)})
                        .attr('cy', 100)
                        .attr('opacity', function(d){ return coolness_val_opacity(d.value.coolness) })

                     groups.exit()
                        .remove();

            });