text: import React from 'react';
  import { Sparklines, SparklinesLine, SparklinesReferenceLine } from 'react-sparklines';
  import _ from 'lodash';
  
  function average(data) {
    return _.round(_.sum(data)/data.length);
  }
  
  const Chart = ({ data, color, units }) => {
    return (
      <div>
        <Sparklines height={120} width={180} data={data}>
          <SparklinesLine color={color} />
          <SparklinesReferenceLine type="avg" />
        </Sparklines>
        <div>{average(data)} {units}</div>
      </div>
    );
  }
  
  export default Chart;
  