var renChart = new Chart($('#ren-chart'), {
  type: 'line',
  data: {
    labels: ren_labels,
    datasets: [{
      label: 'Renovation',
      data: ren_data,
      backgroundColor: 'rgba(244, 81, 30, 0.5)',
      borderColor: 'rgba(244, 81, 30, 0.8)',
      pointBackgroundColor: 'rgba(244, 81, 30, 0.5)',
      pointBorderColor: 'rgba(244, 81, 30, 0.8)',
      pointRadius: 5,
      showLine: false
    }]
  },
  options: {
    scales: {
      yAxes: [{
        ticks: {
          beginAtZero: true,
          stepSize: 20
        }
      }]
    }
  }
});