Add the following to Creating table function and creating chart

a-simple-linear-regression.js

import "../styles/a-simple-linear-regression.less";
//	Start Writing Javascript below this line

import math from 'mathjs'
import FusionCharts from 'fusioncharts'
require("fusioncharts/fusioncharts.charts")(FusionCharts);

// This is where we will write the algorithms
const $ = (id) => document.getElementById(id), 
    cE = (ele) => document.createElement(ele),
    cTN = (text) => document.createTextNode(text)

Array.prototype.max = function() {return this.reduce((acc,e)=>Math.max(acc,e))}
Array.prototype.min = function() {return this.reduce((acc,e)=>Math.min(acc,e))}

let fillTable = (headerCols, mat, tableId) => {
    let headerRow = cE('tr')
    headerCols.forEach(headerText=>{
        let headerCol = cE('th')
        headerCol.appendChild(cTN(headerText))
        headerRow.appendChild(headerCol)
    })
    $(tableId).appendChild(headerRow)
    if(math.matrix(mat).size()[0] === 1) {
        let row = cE('tr')
        let cols = mat.map(ele=>cE('td'))
        mat.forEach((ele, i)=>{
            let text = cTN(ele)
            cols[i].appendChild(text)
            row.appendChild(cols[i])
        })
        $(tableId).appendChild(row)
    } else {
        let matrix = math.transpose(mat)
        matrix.forEach((ele,i)=>{
            let row = cE('tr')
            let cols = [...Array(matrix[0].length)].map(ele=>cE('td'))
            cols.forEach((col,j) => {
                col.appendChild(cTN(matrix[i][j]))
                row.appendChild(col)
                $(tableId).appendChild(row)
            })        
        })
    }
}

let renderScatterPlot = (renderId, options, categoryArray, dataset) => {
    let {caption, subCaption} = options
    new FusionCharts({
        type: 'scatter',
        renderAt: renderId,
        width: '80%',
        height: '400',
        dataFormat: 'json',
        dataSource: {
            chart: Object.assign({}, options, {
                showValues: "0",
                labelDisplay: 'auto',
                showHoverEffect: "1",
                canvasPadding: "10",
                showaxislines: "1",
                anchorRadius: "4",
                setAdaptiveYMin: '1',
                anchorHoverRadius: "8",
                theme: "hulk-light"
            }),
            categories: [{category: categoryArray.map(d=>({label:String(d), x: String(d)}))}],
            dataset: dataset.map((set,i)=>({
                seriesname: set.name,
                color: set.color,
                drawLine: set.drawLine,
                anchorBgColor: set.color,
                data: set.data[0].map((x,i)=>({x, y: set.data[1][i]}))
            }))
        }
    }).render(renderId)
}