QuestionsHelper.cs

using System.Collections.Generic;
using System.Linq;

namespace AzureMachineLearning
{
    public class Question
    {
        public Question(string column, string name)
        {
            Column = column;
            Name = name;
        }
        public int AnswerIndex { get; set; }
        public string Name { get; set; }
        public string Column { get; set; }
        public List<CategoryOption> CategoryOptions { get; set; }
    }
    public class CategoryOption
    {
        public CategoryOption(string value, string name)
        {
            Value = value;
            Name = name;
        }
        public string Name { get; set; }
        public string Value { get; set; }
    }
    
    public static class QuestionsHelper
    {
        public static List<Question> GetQuestions(List<string> answers = null)
        {
            var questions = new List<Question>(){
                new Question("status_checking", "Status of existing checking account"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A11", "(A11) ... < 0 MXN"),
                        new CategoryOption("A12", "(A12) 0 <= ... < 200 MXN"),
                        new CategoryOption("A13", "(A13) ... >= 200 MXN"),
                        new CategoryOption("A14", "(A14) no checking account")
                    }
                },
                new Question("loan_duration", "Loan duration in months"),
                new Question("credit_history", "Credit history"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A30", "(A30) no credits taken/all credits paid back duly"),
                        new CategoryOption("A31", "(A31) all credits at this bank paid back duly"),
                        new CategoryOption("A32", "(A32) existing credits paid back duly till now"),
                        new CategoryOption("A33", "(A33) delay in paying off in the past"),
                        new CategoryOption("A34", "(A34) critical account/other credits existing (not at this bank)")
                    }
                },
                new Question("purpose", "Purpose"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A40", "(A40) car (new)"),
                        new CategoryOption("A41", "(A41) car (used)"),
                        new CategoryOption("A42", "(A42) furniture/equipment"),
                        new CategoryOption("A43", "(A43) radio/television"),
                        new CategoryOption("A44", "(A44) domestic appliances"),
                        new CategoryOption("A45", "(A45) repairs"),
                        new CategoryOption("A46", "(A46) education"),
                        new CategoryOption("A47", "(A47) vacation"),
                        new CategoryOption("A48", "(A48) retraining"),
                        new CategoryOption("A49", "(A49) business"),
                        new CategoryOption("A410", "(A410) others")
                    }
                },
                new Question("credit_amount", "Credit amount"),
                new Question("savings_amt", "Savings account/bonds"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A61", "(A61) ... < 100 MXN"),
                        new CategoryOption("A62", "(A62) 100 <= ... < 500 MXN"),
                        new CategoryOption("A63", "(A63) 500 <= ... < 1000 MXN"),
                        new CategoryOption("A64", "(A64) ... >= 1000 MXN"),
                        new CategoryOption("A65", "(A65) unkown/no savings account")
                    }
                },
                new Question("emp_years", "Present employment since"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A71", "(A71) unemployed"),
                        new CategoryOption("A72", "(A72) ... < 1 year"),
                        new CategoryOption("A73", "(A73) 1 <= ... < 4 years"),
                        new CategoryOption("A74", "(A74) 4 <= ... < 7 years"),
                        new CategoryOption("A75", "(A75) ... >= 7 years"),
                    }
                },
                new Question("percent_disp_income", "Installment rate in percentage of disposable income"),
                new Question("status_sex", "Personal status and sex"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A91", "(A91) male: divorced/separated"),
                        new CategoryOption("A92", "(A92) female: divorced/separated/single"),
                        new CategoryOption("A93", "(A93) male: single"),
                        new CategoryOption("A94", "(A94) male: married/widowed"),
                        new CategoryOption("A95", "(A95) female: single")
                    }
                },
                new Question("other_debts", "Other debtors/guarantors"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A101", "(A101) none"),
                        new CategoryOption("A102", "(A102) co-applicant"),
                        new CategoryOption("A103", "(A103) guarantor")
                    }
                },
                new Question("residence_since", "Present residence since"),
                new Question("property", "Property"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A121", "(A121) real estate"),
                        new CategoryOption("A122", "(A122) if not previous: building society savings agreement/life insurance"),
                        new CategoryOption("A123", "(A123) if not in previous: car or other, not in savings account/bonds"),
                        new CategoryOption("A124", "(A124) unknown/no property"),
                    }
                },
                new Question("age", "Age in years"),
                new Question("other_installments", "Other installment plans"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A141", "(A141) bank"),
                        new CategoryOption("A142", "(A142) stores"),
                        new CategoryOption("A143", "(A143) none")
                    }
                },
                new Question("housing_status", "Housing"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A151", "(A151) rent"),
                        new CategoryOption("A152", "(A152) own"),
                        new CategoryOption("A153", "(A153) for free")
                    }
                },
                new Question("num_credits", "Number of existing credits at this bank"),
                new Question("job_type", "Job"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A171", "(A171) unemployed/unskilled - non-resident"),
                        new CategoryOption("A172", "(A172) unskilled - resident"),
                        new CategoryOption("A173", "(A173) skilled employee/official"),
                        new CategoryOption("A174", "(A174) management/self-employed/highly qualified employee/officer")
                    }
                },
                new Question("num_dependant", "Number of people being liable to provide manintenance for"),
                new Question("own_telephone", "Telephone"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A191", "(A191) none"),
                        new CategoryOption("A192", "(A192) yes, registered under the customers name"),
                    }
                },
                new Question("foreign_worker", "Foreign worker"){
                    CategoryOptions = new List<CategoryOption>(){
                        new CategoryOption("A201", "(A201) yes"),
                        new CategoryOption("A202", "(A202) no"),
                    }
                }
            };
            if(answers == null) return questions;
            var iterator = 0;
            foreach (var question in questions)
            {
                var providedAnswer = answers.ElementAt(iterator);
                if(question.CategoryOptions != null){
                    for(int i=0; i< question.CategoryOptions.Count; i++){
                        if(question.CategoryOptions.ElementAt(i).Value == providedAnswer){
                            providedAnswer = (i+1).ToString();
                            break;
                        }
                    }
                }                
                question.AnswerIndex = int.Parse(providedAnswer);
                iterator++;
            }
            return questions;
        }
    }    
}