GenerateRandomData.m

function [ y_data, x_data, labels] = GenerateRandomData(n)

    x_data = [2000:2021];
    y_data_all = [[791, 829, 881, 950, 1010, 1080, 1190, 1260, 1300, 1420, 1530, 1620, 1700, 1820, 1940, 2110, 2280, 2430, 2600, 2680, 2520, 2740], 
                  [770, 830, 849, 931, 988, 1050, 1150, 1230, 1290, 1190, 1240, 1300, 1360, 1370, 1380, 1350, 1380, 1380, 1420, 1450, 1410, 1500],
                  [3980, 4010, 3990, 4080, 4150, 4220, 4300, 4360, 4310, 4040, 4210, 4230, 4270, 4370, 4370, 4430, 4480, 4550, 4590, 4580, 4370, 4450],
                  [2040, 2100, 2120, 2130, 2200, 2220, 2290, 2340, 2330, 2280, 2320, 2370, 2390, 2400, 2400, 2430, 2470, 2530, 2570, 2620, 2400, 259],
                  [1830, 1890, 1880, 1880, 1920, 1940, 1950, 2000, 1970, 1880, 1890, 1920, 1860, 1820, 1810, 1850, 1870, 1900, 1900, 1920, 1750, 1850]];
    labels_all = ["Apple(AAPL)", "Microsoft(MSFT)", "Amazon(AMZN)", "Google(GOOGL)", "Coca Cola(KO)"];
    
    y_data = y_data_all(1:n, :)';
    labels = labels_all(1:n);
end