sum_set = { //random sample without replacement, code learned from https://stackoverflow.com/questions/12987719/javascript-how-to-randomly-sample-items-without-replacement const football_sampSize = 50; const min = 1; const max = football_sampSize; const randomNumber = Math.floor(Math.random() * (max - min + 1)) + min; var sum = 0; var final_ds=[]; var Arsenal_samps_taken=[] var Chelsea_samps_taken=[]; var Liverpool_samps_taken=[]; var Man_City_samps_taken=[]; var Man_U_samps_taken=[]; var samps_taken = []; const ChelseaData = footballds.filter(row => row. HomeTeam === "Chelsea"); const Liverpool = footballds.filter(row => row. HomeTeam === "Liverpool"); const ArsenalData = footballds.filter(row => row. HomeTeam === "Arsenal"); const ManCityData = footballds.filter(row => row. HomeTeam === "Man City"); const ManUData = footballds.filter(row => row. HomeTeam === "Man United"); for (let i = 0; i < draws; i++){ // Arsenal for (let i = 0; i < football_sampSize; i++){ // Select a random row from the filtered data const randomIndex = Math.floor(Math.random() * ArsenalData.length); const randomRow = ArsenalData[randomIndex]; Arsenal_samps_taken.push(randomRow) } for (let i = 0; i < football_sampSize; i++){ samps_taken.push(Arsenal_samps_taken[i]) } sum = Arsenal_samps_taken.reduce((total, row) => total + row.FTHG, 0); final_ds.push({HomeTeam:"Arsenal", ave_goal:sum/football_sampSize}); Arsenal_samps_taken=[]; // Chelsea for (let i = 0; i < football_sampSize; i++){ // Select a random row from the filtered data const randomIndex = Math.floor(Math.random() * ChelseaData.length); const randomRow = ChelseaData[randomIndex]; Chelsea_samps_taken.push(randomRow) } for (let i = 0; i < football_sampSize; i++){ samps_taken.push(Chelsea_samps_taken[i]) } sum = Chelsea_samps_taken.reduce((total, row) => total + row.FTHG, 0); final_ds.push({HomeTeam:"Chelsea", ave_goal:sum/football_sampSize}); Chelsea_samps_taken=[]; // Liverpool for (let i = 0; i < football_sampSize; i++){ // Select a random row from the filtered data const randomIndex = Math.floor(Math.random() * Liverpool.length); const randomRow = Liverpool[randomIndex]; Liverpool_samps_taken.push(randomRow) } for (let i = 0; i < football_sampSize; i++){ samps_taken.push(Liverpool_samps_taken[i]) } sum = Liverpool_samps_taken.reduce((total, row) => total + row.FTHG, 0); final_ds.push({HomeTeam:"Liverpool", ave_goal:sum/football_sampSize}) Liverpool_samps_taken=[]; // Man City for (let i = 0; i < football_sampSize; i++){ // Select a random row from the filtered data const randomIndex = Math.floor(Math.random() * ManCityData.length); const randomRow = ManCityData[randomIndex]; Man_City_samps_taken.push(randomRow) } for (let i = 0; i < football_sampSize; i++){ samps_taken.push(Man_City_samps_taken[i]) } sum = Man_City_samps_taken.reduce((total, row) => total + row.FTHG, 0); final_ds.push({HomeTeam:"Man City", ave_goal:sum/football_sampSize}); Man_City_samps_taken=[]; // Man U for (let i = 0; i < football_sampSize; i++){ // Select a random row from the filtered data const randomIndex = Math.floor(Math.random() * ManUData.length); const randomRow = ManUData[randomIndex]; Man_U_samps_taken.push(randomRow) } for (let i = 0; i < football_sampSize; i++){ samps_taken.push(Man_U_samps_taken[i]) } sum = Man_U_samps_taken.reduce((total, row) => total + row.FTHG, 0); final_ds.push({HomeTeam:"Man United", ave_goal:sum/football_sampSize}); Man_U_samps_taken=[]; } //return samps_taken return final_ds }