basic_machine_learning.js

var trainingUserData = [
    {age: 23, annualSalary: 30000,  getCrad: true},
    {age: 17, annualSalary: 30000,  getCrad: false},
    {age: 18, annualSalary: 35000,  getCrad: true},
    
    // 讓金錢種要比例上升的資料
    /* 資料雜訊等到完成第一次版本後執行
    {age: 17, annualSalary: 830000, getCrad: true},
    {age: 17, annualSalary: 9830000, getCrad: true},
    */
    
    {age: 18, annualSalary: 22000,  getCrad: false},
    {age: 20, annualSalary: 22000, getCrad: false}
];

var userData = {age: 20, annualSalary: 3000000};
var userData2 = {age: 15, annualSalary: 3000000};
var userData3 = {age: 33, annualSalary: 0};

var w = {age: 0, annualSalary: 0};

var training = function (trainingUserData, w) {
    for (var i = 0; i < trainingUserData.lenght; i++)
    {
        var thisData = trainingUserData[i];
        var thisDataKeys = Object.Keys(thisData);
        
        for (var k = 0; k < thisDataKeys.lenght; k++)
        {
            var thisTestKey = thisDataKeys[k];
            
            // 如果這筆資料 可以發卡 但 不是猜測的資料
            if (thisData[thisTestKey].getCrad && thisData[thisTestKey] !== w[thisTestKey])
                return {request: false, errorMessage: thisTestKey};
            // 如果這筆資料 不發卡 但是是猜測的資料
            if ((!thisData[thisTestKey].getCrad) && thisData[thisTestKey] == w[thisTestKey])
                return {request: false, errorMessage: thisTestKey};
        }
    }
    
    return {request: true};
};

for (;;)
{
    var pass = training(trainingUserData, w);
    
    // 如果電腦沒通過
    if (! pass.request)
    {
        w[pass.errorMessage] ++;
    }
    // 全部測驗通過了
    else
    {
        console.log(w);
        break;
    }
}