static void Main(string[] args)
{
List <User> users = ListOfUsers();
List <Subject> allSubjects = ListOfSubjects();
List <Student> students = users.Where(x => x.Role == Role.Student).Cast <Student>().ToList();
students[0].Grades = new Dictionary <Subject, int>()
{
{ allSubjects[0], 3 }, { allSubjects[2], 4 }, { allSubjects[4], 5 }, { allSubjects[6], 5 }
};
students[1].Grades = new Dictionary <Subject, int>()
{
{ allSubjects[2], 4 }, { allSubjects[3], 4 }, { allSubjects[5], 4 }, { allSubjects[7], 5 }
};
students[2].Grades = new Dictionary <Subject, int>()
{
{ allSubjects[1], 5 }, { allSubjects[2], 5 }, { allSubjects[3], 5 }, { allSubjects[4], 5 }
};
students[3].Grades = new Dictionary <Subject, int>()
{
{ allSubjects[0], 3 }, { allSubjects[4], 5 }, { allSubjects[5], 5 }, { allSubjects[6], 3 }
};
students[4].Grades = new Dictionary <Subject, int>()
{
{ allSubjects[3], 4 }, { allSubjects[5], 4 }, { allSubjects[6], 5 }, { allSubjects[7], 5 }
};
students[0].CurrentSubject = allSubjects[1];
students[1].CurrentSubject = allSubjects[6];
students[2].CurrentSubject = allSubjects[5];
students[3].CurrentSubject = allSubjects[2];
students[4].CurrentSubject = allSubjects[2];
while (true)
{
Console.WriteLine("1. Please login or 2.Exit program");
bool tryInput = int.TryParse(Console.ReadLine(), out int input);
if (input == 2)
{
break;
}
else if (input == 1)
{
Console.Write("Username: "******"Password: "******"there is no user like this");
Console.ReadLine();
}
else if (user.Password != password)
{
Console.WriteLine("Wrong password");
Console.ReadLine();
}
else
{
Console.Clear();
Console.WriteLine($"Hello {user.Username}");
#region RoleAdmin
if (user.Role == Role.Admin)
{
while (true)
{
Console.WriteLine("Choose 1. Add user 2. Remove user 3.Logout");
bool tryInputAdmin = int.TryParse(Console.ReadLine(), out int adminInput);
if (adminInput == 1)
{
Console.WriteLine("Which type of user you want to add: 1.Admin 2.Trainer 3.Student");
bool tryTypeOfUser = int.TryParse(Console.ReadLine(), out int typeOfUser);
if (tryTypeOfUser && typeOfUser <= 3)
{
Console.Write("Enter new username: "******"Enter new password: "******"Already exist this user please try again");
typeOfUser = 0;
}
else if (typeOfUser == 1)
{
Admin newUser = new Admin(newUsername, newPassword);
users.Add(newUser);
}
else if (typeOfUser == 2)
{
Trainer newUser = new Trainer(newUsername, newPassword);
users.Add(newUser);
}
else if (typeOfUser == 3)
{
Student newUser = new Student(newUsername, newPassword);
var random = new Random();
newUser.Grades = new Dictionary <Subject, int>()
{
{ allSubjects[random.Next(0, allSubjects.Count - 1)], random.Next(1, 6) }
};
users.Add(newUser);
students.Add(newUser);
}
}
else
{
Console.WriteLine("wrong input");
}
}
else if (adminInput == 2)
{
Console.WriteLine();
foreach (var item in users)
{
Console.WriteLine(item.Username);
}
Console.Write("Enter username you want to remove: ");
string userWantToRemove = Console.ReadLine();
if (userWantToRemove == user.Username)
{
Console.WriteLine("Admins cant remove it self");
}
else if (CheckUser(users, userWantToRemove))
{
User userRemove = users.Where(x => x.Username == userWantToRemove).FirstOrDefault();
if (userRemove.Role == Role.Student)
{
Student studentRemove = (Student)userRemove;
students.Remove(studentRemove);
}
users.Remove(userRemove);
}
else
{
Console.WriteLine($"Doesn't exist user like {userWantToRemove}");
}
}
else if (adminInput == 3)
{
break;
}
else
{
Console.WriteLine("wrong input");
}
Console.WriteLine("Press enter");
Console.ReadLine();
Console.Clear();
}
}
#endregion
#region RoleTrainer
if (user.Role == Role.Trainer)
{
while (true)
{
Console.WriteLine();
Console.WriteLine("1.Show all students 2.Show all subjects 3.Logout");
bool tryInputTrainer = int.TryParse(Console.ReadLine(), out int trainerInput);
if (trainerInput == 1)
{
foreach (var student in students)
{
Console.WriteLine(student.Username);
}
Console.WriteLine();
Console.WriteLine("Enter student to show its subjects and grades");
Console.Write("Student: ");
string studentInput = Console.ReadLine();
if (CheckStudent(students, studentInput))
{
Student student = students.Where(x => x.Username == studentInput).FirstOrDefault();
foreach (var studentSubject in student.Grades)
{
Console.WriteLine($"{studentSubject.Key.Name} / Grade: {studentSubject.Value}");
}
}
else
{
Console.WriteLine($"There is no student like {studentInput}");
}
}
else if (trainerInput == 2)
{
foreach (var subject in allSubjects)
{
subject.StudentsListen = students.Where(x => x.CurrentSubject.Name == subject.Name).ToList();
Console.WriteLine($"{subject.Name} / listening : {subject.StudentsListen.Count}");
}
}
else if (trainerInput == 3)
{
break;
}
else
{
Console.WriteLine("wrong input");
}
Console.WriteLine("Press enter");
Console.ReadLine();
Console.Clear();
}
}
#endregion
#region RoleStudent
if (user.Role == Role.Student)
{
while (true)
{
Console.WriteLine("Choose: 1.Show your subjects and grades 2.Logout");
bool tryInputTrainer = int.TryParse(Console.ReadLine(), out int studentInput);
Student student = students.Where(x => x.Username == user.Username).FirstOrDefault();
if (studentInput == 1)
{
foreach (var item in student.Grades)
{
Console.WriteLine($"{item.Key.Name} / Grade: {item.Value}");
}
}
else if (studentInput == 2)
{
break;
}
else
{
Console.WriteLine("wrong input");
}
Console.WriteLine("Press enter");
Console.ReadLine();
Console.Clear();
}
}
#endregion
}
}
else
{
Console.WriteLine("Wrong input");
Console.ReadLine();
}
Console.Clear();
}
}
static void Main(string[] args)
{
#region Conditional
/*
* for (int i = 0; i < args.Length; i++)
* {
* if(args[i] == "Friday")
* {
* if (3 < 5)
* {
* Console.WriteLine("5 is less than");
* }
* Console.WriteLine("we will work until 12am");
* }
* else if(args[i] == "Saturday")
* {
* Console.WriteLine("Sleep all day");
* }
* else
* {
* Console.WriteLine("No work");
* }
* switch (args[i])
* {
* case "Friday":
* Console.WriteLine("We will work until 12am");
* break;
* case "Saturday":
* Console.WriteLine("Sleep all day");
* break;
* default:
* Console.WriteLine("No Work");
* break;
* }
* int x = 0;
* while (args[i] != "Friday" && x == 0)
* {
*
* Console.WriteLine("Today is not a friday");
* x++;
* }
* //do
* //{
* // Console.WriteLine("Do first");
* //}
* //while (args[i] != "Friday");
* Console.WriteLine("arg:" + i + ",value:" + args[i]);
* }
*/
#endregion
#region Variable & Datatypes
Console.WriteLine("Hello World! - Today is friday");
string dayoftheweek = "Friday";
Console.WriteLine("Today is " + dayoftheweek);
int dayofmonth = 31;
Console.WriteLine("Day of the Month:" + dayofmonth);
double amount = 10.5;
Console.WriteLine("Amount:" + amount);
bool valid;
valid = true;
Console.WriteLine("Is is Valid:" + valid);
Address = "Test";
Console.WriteLine("My address:" + Address);
object sessions = "Dot Net Session";
string newsession = (string)sessions;
int a = 5;
int b = 4;
int sum = Calculation.CalculateSum(a, b);
Console.WriteLine("a+b=" + sum);
#endregion
#region Collection
LearnCollection learnCollection = new LearnCollection("Python");
learnCollection.LearnStringList();
//learnCollection.Langauge = "Python";
learnCollection.LearnDoubleArray();
learnCollection.LearnStringArray();
learnCollection.LearnStringList();
foreach (string language in learnCollection.Langauages)
{
Console.WriteLine(language);
}
#endregion
#region Extension
Trainer trainer = new Trainer("Mithun");
trainer.ShowDepartment();
string mfn = trainer.IsPersonMaleOfFemale();
Student student = new Student();
student.IsPersonMaleOfFemale();
SWeekOfDay sWeek = new SWeekOfDay();
sWeek.Days = "Monday";
sWeek.DValue = 1;
int x = 5;
bool result = x.IsGreaterThan(6);
#endregion
#region System IO
//SystemIO systemIO = new SystemIO();
//systemIO.WriteToFile();
//systemIO.WriteMultipleLineToFile(learnCollection.Langauages);
//systemIO.ReadFileFromDirectory();
//var path = systemIO.WriteToFile();
//systemIO.ReadFile(path);
#endregion
#region Serialization & De
SerializeDeserialize serializeDeserialize = new SerializeDeserialize();
string json = serializeDeserialize.Serialization(learnCollection.Langauages);
List <string> languages = serializeDeserialize.DeSerialization <List <string> >(json);
List <Person> people = new List <Person>();
people.Add(new Person()
{
FirstName = "Mithun", PhoneNumber = "1234"
});
people.Add(new Person()
{
FirstName = "Adil", PhoneNumber = "2345"
});
people.Add(new Person()
{
FirstName = "Minhaz", PhoneNumber = "3456"
});
string pjson = serializeDeserialize.Serialization(people);
List <Person> dpeople = serializeDeserialize.DeSerialization <List <Person> >(pjson);
#endregion
#region Delegates
DelegatesEx delegatesEx = new DelegatesEx();
// Delegate instantiation
operation obj = new operation(delegatesEx.Addition);
int i = obj(5, 6);
Console.WriteLine(i);
#endregion
#region Refelction
System.Type type = learnCollection.GetType();
System.Console.WriteLine(type);
#endregion
#region Tuples
TupleEx tuple = new TupleEx();
Tuple <string, int> t = tuple.GetTuple();
Console.WriteLine("Name:" + t.Item1);
Console.WriteLine("Id:" + t.Item2);
#endregion
Console.ReadLine();
}
static void Main(string[] args)
{
List <User> users = UserListGenerator.UsersList();
Roles userPosition = Roles.Student;
bool loginIsOk = false;
string loggedUsername = "";
string usersName = "";
try
{
do
{
Menus.MainMenu();
string usersChoice = Console.ReadLine();
Console.Clear();
//Selecting position.
Errors.EmptyField(usersChoice);
if (usersChoice != "")
{
userPosition = LoginService.usersPostition(usersChoice);
}
string userUsername = "", userPassword = "";
Menus.UsernamePasswordInput(ref userUsername, ref userPassword);
Errors.EmptyFields2(userUsername, userPassword);
if (userUsername != "" && userPassword != "")
{
foreach (User logged in users)
{
LoginService.CheckLogIn(logged, userUsername, userPassword, userPosition, ref loginIsOk, ref usersName, ref loggedUsername);
}
if (loginIsOk == false)
{
Console.WriteLine("Either your username, or your password was wrong.");
Console.WriteLine("Try again...");
Console.WriteLine();
}
if (loginIsOk)
{
Console.WriteLine($"Welcome {usersName}");
do
{
//Shows the sub-menu according to its position.
if (userPosition == Roles.Admin)
{
Console.WriteLine();
Console.WriteLine("List of all users:");
Console.WriteLine();
User.PrintAllUsers(users);
Menus.AdminsSubMenu();
string adminsChoice = Console.ReadLine();
Console.Clear();
//Add new user
if (adminsChoice == "1")
{
string enteredName = "", enteredLastName = "", enteredUserName = "", enteredPassword = "";
Menus.NewUserInfo(ref enteredName, ref enteredLastName, ref enteredUserName, ref enteredPassword);
Errors.EmptyFields3(enteredName, enteredLastName, enteredUserName, enteredPassword);
Menus.PositionSelection();
string enteredPosition = Console.ReadLine();
Errors.WrongPosition(enteredPosition);
if (enteredPosition == "1")
{
Admin newAdmin = new Admin(enteredName, enteredLastName, enteredUserName, enteredPassword);
LoginService.AddNewUser(users, newAdmin);
}
if (enteredPosition == "2")
{
Trainer newTrainer = new Trainer(enteredName, enteredLastName, enteredUserName, enteredPassword);
LoginService.AddNewUser(users, newTrainer);
}
if (enteredPosition == "3")
{
Console.WriteLine("Enter student's subject:");
string enteredSubject = Console.ReadLine();
Errors.EmptyField(enteredSubject);
Errors.WrongSubject(enteredSubject);
Console.WriteLine("Enter student's grade:");
int enteredGrade = int.Parse(Console.ReadLine());
Errors.WrongNumber(enteredGrade);
Student newStudent = new Student(enteredName, enteredLastName, enteredUserName, enteredPassword, enteredSubject, enteredGrade);
LoginService.AddNewUser(users, newStudent);
}
}
//Remove user
if (adminsChoice == "2")
{
Console.WriteLine("Enter user's username that you want to remove:");
string enteredUser = Console.ReadLine();
Console.Clear();
Errors.EmptyField(enteredUser);
if (enteredUser != loggedUsername)
{
var found = LoginService.FindByUsername(users, enteredUser);
if (found == null)
{
Console.WriteLine("User with that username doesn't exist on the list.");
}
else
{
users.Remove(found);
Console.WriteLine($"You've removed user \"{enteredUser}\"");
}
}
else if (enteredUser == loggedUsername)
{
Console.Clear();
Console.WriteLine("You can't remove yourself.");
}
}
if (adminsChoice == "3")
{
LoginService.ResetLogin(ref userUsername, ref userPassword, ref userPosition, ref loginIsOk);
break;
}
}
//Trainer's menu
if (userPosition == Roles.Trainer)
{
Menus.TrainerSubMenu();
string teachersChoice = Console.ReadLine();
Console.Clear();
if (teachersChoice == "1")
{
do
{
Console.WriteLine("Student's list:");
Console.WriteLine();
LoginService.ListStudents(LoginService.FilterUsersByDataType(users));
Console.WriteLine();
Console.WriteLine("Press \"E\" if you want to exit.");
teachersChoice = Console.ReadLine();
Errors.WrongExit(teachersChoice);
if (teachersChoice == "e")
{
Console.Clear();
break;
}
} while (true);
}
else if (teachersChoice == "2")
{
do
{
Console.WriteLine("Enter student's name: ");
Console.Write("Search: ");
string teachersInput = Console.ReadLine();
string result = LoginService.ShowMatch(LoginService.FilterUsersByRole(users, Roles.Student), teachersInput);
Errors.EmptyField(teachersInput);
Console.Clear();
if (result != "")
{
Console.WriteLine(result);
}
if (result == "")
{
Console.WriteLine("Sorry no student by that name.");
}
Console.WriteLine();
Console.WriteLine("Press \"E\" if you want to exit.");
teachersChoice = Console.ReadLine().ToLower();
Errors.WrongExit(teachersChoice);
if (teachersChoice == "e")
{
Console.Clear();
break;
}
} while (true);
}
else if (teachersChoice == "3")
{
do
{
Menus.SelectSubject();
teachersChoice = Console.ReadLine();
Console.Clear();
Errors.WrongSubject3(teachersChoice);
if (int.Parse(teachersChoice) == 1)
{
LoginService.ListStudents(LoginService.FilterStudentsBySubject(users, "C#"));
}
if (int.Parse(teachersChoice) == 2)
{
LoginService.ListStudents(LoginService.FilterStudentsBySubject(users, "JS"));
}
Console.WriteLine();
Console.WriteLine("Press \"E\" if you want to exit.");
teachersChoice = Console.ReadLine().ToLower();
Errors.WrongExit(teachersChoice);
if (teachersChoice == "e")
{
Console.Clear();
break;
}
} while (true);
}
else if (teachersChoice == "4")
{
LoginService.ResetLogin(ref userUsername, ref userPassword, ref userPosition, ref loginIsOk);
break;
}
else
{
Console.WriteLine("You musth choose between 1 and 4.");
Console.WriteLine();
}
}
if (userPosition == Roles.Student)
{
Menus.StudentsMenu();
string studentsChoice = Console.ReadLine();
Console.Clear();
Errors.WrongSubject2(studentsChoice);
if (studentsChoice == "1")
{
do
{
Menus.SubjectSelection();
studentsChoice = Console.ReadLine();
if (studentsChoice == "1")
{
LoginService.SwitchingStudentsSubject(LoginService.FilterUsersByRole(users, Roles.Student), usersName, "C#");
}
else if (studentsChoice == "2")
{
LoginService.SwitchingStudentsSubject(LoginService.FilterUsersByRole(users, Roles.Student), usersName, "JS");
}
else if (studentsChoice.ToLower() == "g")
{
Console.Clear();
Console.WriteLine("Your grade from your current subject.");
Console.WriteLine(LoginService.ShowMatch(LoginService.FilterUsersByRole(users, Roles.Student), usersName));
Console.WriteLine();
}
else if (studentsChoice == "e")
{
Console.Clear();
break;
}
else
{
throw new Exception("You must choose \"1\", \"2\", \"g\" or \"e\".");
}
} while (true);
}
if (studentsChoice == "2")
{
LoginService.ResetLogin(ref userUsername, ref userPassword, ref userPosition, ref loginIsOk);
break;
}
}
} while (true);
}
}
} while (true);
}
catch (FormatException)
{
Console.WriteLine("You did not enter a correct format.");
}
catch (NullReferenceException)
{
Console.WriteLine("There is no user with that name.");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadLine();
}
public void Run()
{
var device = DeviceDescriptor.UseDefaultDevice();
// 1. Generate Data
int sampleSize = 32;
int nbDimensionsInput = 2; // 2 dimensions (age&tumorsize)
int nbLabels = 2; // l'output est un vecteur de probabilités qui doit sommer à 1. Si on ne met qu'une seule dimension de sortie, l'output sera toujours de 1.
// on met donc deux dimension, une dimension 'vrai' et une dimension 'faux'. L'output sera du genre 0.25 vrai et 0.75 faux => total des poids = 1;
// premier label = faux, second = vrai
IEnumerable <DataPoint> data = GenerateData(sampleSize);
//foreach (var pt in data)
// Debug.WriteLine($"{pt.Age};{pt.TumorSize};{(pt.HasCancer ? 1 : 0)}");
Variable inputVariables = Variable.InputVariable(NDShape.CreateNDShape(new[] { nbDimensionsInput }), DataType.Double, "input");
Variable expectedOutput = Variable.InputVariable(new int[] { nbLabels }, DataType.Double, "output");
Parameter bias = new Parameter(NDShape.CreateNDShape(new[] { nbLabels }), DataType.Double, 0); // une abscisse pour chaque dimension
Parameter weights = new Parameter(NDShape.CreateNDShape(new[] { nbDimensionsInput, nbLabels }), DataType.Double, 0); // les coefficients à trouver
// 2 variable d'input, 2 estimations en sortie (proba vrai et proba faux)
Function predictionFunction = CNTKLib.Plus(CNTKLib.Times(weights, inputVariables), bias);
Function lossFunction = CNTKLib.CrossEntropyWithSoftmax(predictionFunction, expectedOutput);
Function evalErrorFunction = CNTKLib.ClassificationError(predictionFunction, expectedOutput);
//Function logisticClassifier = CNTKLib.Sigmoid(evaluationFunction, "LogisticClassifier");
uint minibatchSize = 25;
//double learningRate = 0.5;
//TrainingParameterScheduleDouble learningRatePerSample = new TrainingParameterScheduleDouble(learningRate, minibatchSize);
TrainingParameterScheduleDouble learningRatePerSample = new TrainingParameterScheduleDouble(0.3, (uint)(data.Count() / 1.0));
TrainingParameterScheduleDouble momentumSchedule = new TrainingParameterScheduleDouble(0.9126265014311797, minibatchSize);
var parameters = new ParameterVector();
foreach (var p in predictionFunction.Parameters())
{
parameters.Add(p);
}
List <Learner> parameterLearners = new List <Learner>()
{
CNTKLib.FSAdaGradLearner(parameters, learningRatePerSample, momentumSchedule, true)
};
Trainer trainer = Trainer.CreateTrainer(predictionFunction, lossFunction, evalErrorFunction, parameterLearners);
double nbSamplesToUseForTraining = 20000;
int numMinibatchesToTrain = (int)(nbSamplesToUseForTraining / (int)minibatchSize);
// train the model
for (int minibatchCount = 0; minibatchCount < numMinibatchesToTrain; minibatchCount++)
{
IEnumerable <DataPoint> trainingData = GenerateData((int)minibatchSize);
List <double> minibatchInput = new List <double>();
List <double> minibatchOutput = new List <double>();
foreach (DataPoint row in trainingData)
{
minibatchInput.Add(row.Age);
minibatchInput.Add(row.TumorSize);
minibatchOutput.Add(row.HasCancer ? 0d : 1d);
minibatchOutput.Add(row.HasCancer ? 1d : 0d);
}
Value inputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbDimensionsInput }), minibatchInput, device);
Value outputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbLabels }), minibatchOutput, device);
trainer.TrainMinibatch(new Dictionary <Variable, Value>()
{
{ inputVariables, inputData }, { expectedOutput, outputData }
}, device);
PrintTrainingProgress(trainer, minibatchCount);
}
// test
{
int testSize = 100;
IEnumerable <DataPoint> trainingData = GenerateData(testSize);
List <double> minibatchInput = new List <double>();
List <double> minibatchOutput = new List <double>();
foreach (DataPoint row in trainingData)
{
minibatchInput.Add(row.Age);
minibatchInput.Add(row.TumorSize);
minibatchOutput.Add(row.HasCancer ? 0d : 1d);
minibatchOutput.Add(row.HasCancer ? 1d : 0d);
}
Value inputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbDimensionsInput }), minibatchInput, device);
Value outputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbLabels }), minibatchOutput, device);
IList <IList <double> > expectedOneHot = outputData.GetDenseData <double>(predictionFunction.Output);
IList <int> expectedLabels = expectedOneHot.Select(l => l.IndexOf(1.0d)).ToList();
var outputDataMap = new Dictionary <Variable, Value>()
{
{ predictionFunction.Output, null }
};
predictionFunction.Evaluate(
new Dictionary <Variable, Value>()
{
{ inputVariables, inputData }
},
outputDataMap,
device);
Value outputValue = outputDataMap[predictionFunction.Output];
IList <IList <double> > actualLabelSoftMax = outputValue.GetDenseData <double>(predictionFunction.Output);
var actualLabels = actualLabelSoftMax.Select((IList <double> l) => l.IndexOf(l.Max())).ToList();
int misMatches = actualLabels.Zip(expectedLabels, (a, b) => a.Equals(b) ? 0 : 1).Sum();
Debug.WriteLine($"Validating Model: Total Samples = {testSize}, Misclassify Count = {misMatches}");
}
}
static void Main(string[] args)
{
List <Subject> Subjects = new List <Subject>
{
new Subject("C#"),
new Subject("C#Advanced"),
new Subject("JavaScript"),
new Subject("HTML"),
new Subject("JavaScriptAdvanced")
};
var subjectGrades = new Dictionary <Subject, int>()
{
[Subjects[0]] = 3,
[Subjects[2]] = 5,
[Subjects[3]] = 4,
[Subjects[4]] = 5,
};
var subjectGrades1 = new Dictionary <Subject, int>()
{
[Subjects[4]] = 1,
[Subjects[2]] = 2,
};
var subjectGrades2 = new Dictionary <Subject, int>()
{
[Subjects[4]] = 5,
[Subjects[2]] = 2,
[Subjects[0]] = 4,
[Subjects[1]] = 3,
};
List <Person> users = new List <Person>
{
new Student("Goran", "Kuzmanoski", "goki_pp", "goki", Subjects[1], subjectGrades),
new Student("Jovan", "Jovannoski", "jovan", "joco", Subjects[0], subjectGrades1),
new Student("Vladimir", "Poposki", "vlado", "vlade", Subjects[3], subjectGrades2),
new Trainer("Trajan", "Stevkoski", "Trajan", "12345"),
new Admin("Wekoslav", "Stefanoski", "weko", "1x29")
};
while (true)
{
#region Login
Person User;
while (true)
{
Console.WriteLine("Enter username");
string inputUsername = Console.ReadLine();
User = users.Where(x => x.Username == inputUsername).FirstOrDefault();
if (User == null)
{
Console.WriteLine("Try again");
continue;
}
Console.WriteLine("Enter Password");
string inputPassword = Console.ReadLine();
if (User.ValidPassword(inputPassword))
{
Console.WriteLine("Correct password");
break;
}
else
{
continue;
}
}
#endregion
#region Admin
while (true)
{
if (User.Role == Role.Admin)
{
Console.WriteLine("1.Add; 2.Remove");
string adminOption = Console.ReadLine();
while (adminOption == "1")
{
Console.WriteLine("1.Add trainer; 2.Add admin; 3.Add student");
string addOption = Console.ReadLine();
while (addOption == "1")
{
//adding trainer
Console.WriteLine("Enter trainer first name:");
string trainerName = Console.ReadLine();
Console.WriteLine("Enter trainer last name:");
string trainerLastName = Console.ReadLine();
Console.WriteLine("Enter trainer username:"******"Enter trainer password:"******"You added new trainer {trainerName} , {trainerLastName}");
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to add another trainer Y/N");
string addTrainerCheck = Console.ReadLine().ToLower();
if (addTrainerCheck == "n")
{
Console.WriteLine("Thank you for adding new trainer");
break;
}
else
{
continue;
}
}
while (addOption == "2")
{
//adding admin
Console.WriteLine("Enter admin first name:");
string adminName = Console.ReadLine();
Console.WriteLine("Enter admin last name:");
string adminLastName = Console.ReadLine();
Console.WriteLine("Enter admin username:"******"Enter admin password:"******"You added new Admin {adminName} , {adminLastName}");
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to add another Admin Y/N");
string addAdminCheck = Console.ReadLine().ToLower();
if (addAdminCheck == "n")
{
Console.WriteLine("Thank you for adding new admin");
break;
}
else
{
continue;
}
}
while (addOption == "3")
{
//adding student
Console.WriteLine("Enter student first name:");
string studentName = Console.ReadLine();
Console.WriteLine("Enter student last name:");
string studentLastName = Console.ReadLine();
Console.WriteLine("Enter student username:"******"Enter student password:"******"Choose current subject: ");
foreach (var subject in Subjects)
{
Console.WriteLine(subject.Name);
}
string studentCurrentSubject = Console.ReadLine();
Subject studentCurrentSubject1 = new Subject(studentCurrentSubject);
if (studentCurrentSubject == "C#")
{
studentCurrentSubject1 = Subjects[0];
}
else if (studentCurrentSubject == "C#Advanced")
{
studentCurrentSubject1 = Subjects[1];
}
else if (studentCurrentSubject == "JavaScript")
{
studentCurrentSubject1 = Subjects[2];
}
else if (studentCurrentSubject == "HTML")
{
studentCurrentSubject1 = Subjects[3];
}
else if (studentCurrentSubject == "JavaScriptAdvanced")
{
studentCurrentSubject1 = Subjects[4];
}
Console.WriteLine("Add passed subject");
foreach (var subject in Subjects)
{
Console.WriteLine(subject.Name);
}
string studentPassedSubject = Console.ReadLine();
Console.WriteLine("Add grade");
int studentPassedSubjectGrade = int.Parse(Console.ReadLine());
Dictionary <Subject, int> NewSubjectGrades1 = new Dictionary <Subject, int>();
if (studentPassedSubject == "C#")
{
Dictionary <Subject, int> NewSubjectGrades = new Dictionary <Subject, int>()
{
[Subjects[0]] = studentPassedSubjectGrade,
};
NewSubjectGrades1 = NewSubjectGrades;
}
else if (studentPassedSubject == "C#Advanced")
{
Dictionary <Subject, int> NewSubjectGrades = new Dictionary <Subject, int>()
{
[Subjects[1]] = studentPassedSubjectGrade,
};
NewSubjectGrades1 = NewSubjectGrades;
}
else if (studentPassedSubject == "JavaScript")
{
Dictionary <Subject, int> NewSubjectGrades = new Dictionary <Subject, int>()
{
[Subjects[2]] = studentPassedSubjectGrade,
};
NewSubjectGrades1 = NewSubjectGrades;
}
else if (studentPassedSubject == "HTML")
{
Dictionary <Subject, int> NewSubjectGrades = new Dictionary <Subject, int>()
{
[Subjects[3]] = studentPassedSubjectGrade,
};
NewSubjectGrades1 = NewSubjectGrades;
}
else if (studentPassedSubject == "JavaScriptAdvanced")
{
Dictionary <Subject, int> NewSubjectGrades = new Dictionary <Subject, int>()
{
[Subjects[4]] = studentPassedSubjectGrade,
};
NewSubjectGrades1 = NewSubjectGrades;
}
else
{
Console.WriteLine("Try again!");
}
users.Add(new Student(studentName, studentLastName, studentUsername, studentPassword, studentCurrentSubject1, NewSubjectGrades1));
Console.WriteLine($"You added new student {studentName} {studentLastName}");
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to add another student Y/N");
string addStudentCheck = Console.ReadLine().ToLower();
if (addStudentCheck == "n")
{
Console.WriteLine("Thank you for adding student");
break;
}
else
{
continue;
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to choose another person(admin,trainer or student to add) Y/N");
string addMorePeople = Console.ReadLine().ToLower();
if (addMorePeople == "n")
{
Console.WriteLine("You choose not to add more people");
break;
}
else
{
continue;
}
}
while (adminOption == "2")
{
Console.WriteLine("1.Remove trainer; 2.Remove admin; 3.Remove student");
string removeOption = Console.ReadLine();
while (removeOption == "1")
{
//remove trainer
Console.WriteLine("Please enter the username of the trainer you want to remove:");
foreach (var user in users.Where(u => u.Role == Role.Trainer))
{
Console.WriteLine($"Trainer first name: {user.Firstname} , trainer last name: {user.Lastname}");
}
string username = Console.ReadLine();
Person found = users.Where(x => x.Username == username).FirstOrDefault();
bool removed = users.Remove(found);
if (found != null && found.Role == Role.Trainer)
{
users.Remove(users.Where(x => x.Username == username).FirstOrDefault());
}
if (removed)
{
Console.WriteLine($"Trainer {found.Firstname} has been removed!");
}
else
{
Console.WriteLine("There was no such user!");
Console.WriteLine("Please try again");
continue;
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to remove another trainer Y/N");
string removeTrainer = Console.ReadLine().ToLower();
if (removeTrainer == "n")
{
Console.WriteLine("You choose not to remove more trainers");
break;
}
else
{
continue;
}
}
while (removeOption == "2")
{
//remove admin
Console.WriteLine("Please enter the username of the admin you want to remove:");
foreach (var user in users.Where(u => u.Role == Role.Admin))
{
Console.WriteLine($"Admin first name: {user.Firstname} , Admin last name: {user.Lastname}");
}
string username = Console.ReadLine();
Person found = users.Where(x => x.Username == username).FirstOrDefault();
bool removed = users.Remove(found);
if (found != null && found.Role == Role.Admin)
{
users.Remove(users.Where(x => x.Username == username).FirstOrDefault());
}
if (removed)
{
Console.WriteLine($"Admin {found.Firstname} has been removed!");
}
else
{
Console.WriteLine("There was no such user!");
Console.WriteLine("Please try again");
continue;
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to remove another Admin Y/N");
string removeAdmin = Console.ReadLine().ToLower();
if (removeAdmin == "n")
{
Console.WriteLine("You choose not to remove more admins");
break;
}
else
{
continue;
}
}
while (removeOption == "3")
{
//remove student
Console.WriteLine("Please enter the username of the student you want to remove:");
foreach (var user in users.Where(u => u.Role == Role.Student))
{
Console.WriteLine($"Student first name: {user.Firstname} , Student last name: {user.Lastname}");
}
string username = Console.ReadLine();
Person found = users.Where(x => x.Username == username).FirstOrDefault();
bool removed = users.Remove(found);
if (found != null && found.Role == Role.Student)
{
users.Remove(users.Where(x => x.Username == username).FirstOrDefault());
}
if (removed)
{
Console.WriteLine($"Student {found.Firstname} has been removed!");
}
else
{
Console.WriteLine("There was no such user!");
Console.WriteLine("Please try again");
continue;
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to remove another student from this list: Y/N");
foreach (var user in users.Where(u => u.Role == Role.Student))
{
Console.WriteLine($"Student first name: {user.Firstname} , Student last name: {user.Lastname}");
}
string removeStudent = Console.ReadLine().ToLower();
if (removeStudent == "n")
{
Console.WriteLine("You choose not to remove more admins");
break;
}
else
{
continue;
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to remove more people Y/N");
string removePerson = Console.ReadLine().ToLower();
if (removePerson == "n")
{
Console.WriteLine("You choose not to remove more people(admin,student or trainer)");
break;
}
else
{
continue;
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to logout as admin Y/N");
string logOut = Console.ReadLine().ToLower();
if (logOut == "y")
{
Console.WriteLine("Please log in with another user");
break;
}
else
{
continue;
}
}
#endregion
#region Trainer
if (User.Role == Role.Trainer)
{
Trainer trainer = (Trainer)User;
Console.WriteLine("Choose an option 1.List all students; 2.List all subjects");
string trainerChoice = Console.ReadLine();
while (trainerChoice == "1")
{
Console.WriteLine("Choose a student to see his grades");
foreach (var user in users.Where(u => u.Role == Role.Student))
{
Console.WriteLine($"Student first name: {user.Firstname} , Student last name: {user.Lastname}");
}
string studentName = Console.ReadLine();
var found = users.Where(x => x.Firstname == studentName).FirstOrDefault();
if (found != null && found.Role == Role.Student)
{
Student choosenStudent = (Student)users.Where(x => x.Firstname == studentName).FirstOrDefault();
Console.WriteLine(choosenStudent.GetInfo());
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to choose another student to see his grades Y/N");
string seeMoreStudents = Console.ReadLine().ToLower();
if (seeMoreStudents == "n")
{
Console.WriteLine("You choose not to see more students");
break;
}
else
{
continue;
}
}
while (trainerChoice == "2")
{
//List all subjects
foreach (var subject in Subjects)
{
int studentsOfSubject = 0;
foreach (var user in users.Where(u => u.Role == Role.Student))
{
Student currentStudent = (Student)user;
if (subject == currentStudent.CurrentSubject)
{
studentsOfSubject += 1;
}
}
Console.WriteLine($"Name of the subject: {subject.Name} ({studentsOfSubject}).");
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to go back one step Y/N");
string back = Console.ReadLine().ToLower();
if (back == "y")
{
Console.WriteLine();
break;
}
else
{
continue;
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to logout as trainer Y/N");
string logOut = Console.ReadLine().ToLower();
if (logOut == "y")
{
Console.WriteLine("Please log in with another user");
break;
}
else
{
continue;
}
}
#endregion
#region User
if (User.Role == Role.Student)
{
Student student = (Student)User;
Console.WriteLine("1.Enroll; 2.List all grades");
string option = Console.ReadLine();
while (option == "1")
{
foreach (var subject in Subjects)
{
if (!student.Subjects.ContainsKey(subject))
{
Console.WriteLine(subject.Name);
}
}
string chosenSubject = Console.ReadLine();
foreach (var subject in Subjects)
{
if (subject.Name == chosenSubject)
{
Subject sub = Subjects.FirstOrDefault(x => x.Name == chosenSubject);
student.Enroll(sub);
//Subjects.Remove(subject);
Console.WriteLine($"You enroled in {sub.Name}!");
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to enroll in more subjects Y/N");
string seeMoreStudents = Console.ReadLine().ToLower();
if (seeMoreStudents == "n")
{
Console.WriteLine("You choose not to enrol in more subjects");
break;
}
else
{
continue;
}
}
while (option == "2")
{
Console.WriteLine(student.GetInfo());
Console.WriteLine($"-----------------------");
Console.WriteLine($"do you want to choose different option Y/N");
string seeMoreStudents = Console.ReadLine().ToLower();
if (seeMoreStudents == "y")
{
Console.WriteLine("You choose to go back one step");
break;
}
else
{
continue;
}
}
Console.WriteLine($"-----------------------");
Console.WriteLine($"Do you want to log out as student Y/N");
string studentlogout = Console.ReadLine().ToLower();
if (studentlogout == "y")
{
Console.WriteLine("You loged out as student.");
break;
}
else
{
continue;
}
}
#endregion
}
}
}
public void Run()
{
var device = DeviceDescriptor.UseDefaultDevice();
// 1. Generate Data
int sampleSize = 32;
int nbDimensionsInput = 2; // 2 dimensions (age&tumorsize)
int nbLabels = 2; // l'output est un vecteur de probabilités qui doit sommer à 1. Si on ne met qu'une seule dimension de sortie, l'output sera toujours de 1.
// on met donc deux dimension, une dimension 'vrai' et une dimension 'faux'. L'output sera du genre 0.25 vrai et 0.75 faux => total des poids = 1;
// premier label = faux, second = vrai
IEnumerable <DataPoint> data = GenerateData(sampleSize);
//foreach (var pt in data)
// Debug.WriteLine($"{pt.Age};{pt.TumorSize};{(pt.HasCancer ? 1 : 0)}");
Variable inputVariables = Variable.InputVariable(NDShape.CreateNDShape(new[] { nbDimensionsInput }), DataType.Double, "input");
Variable expectedOutput = Variable.InputVariable(new int[] { nbLabels }, DataType.Double, "output");
int nbHiddenLayers = 1;
Function lastLayer = DefineNetwork(inputVariables, nbLabels, nbHiddenLayers, CNTKLib.Sigmoid);
Function lossFunction = CNTKLib.CrossEntropyWithSoftmax(lastLayer, expectedOutput);
Function evalErrorFunction = CNTKLib.ClassificationError(lastLayer, expectedOutput);
uint minibatchSize = 25;
double learningRate = 0.5;
TrainingParameterScheduleDouble learningRatePerSample = new TrainingParameterScheduleDouble(learningRate, minibatchSize);
IList <Learner> parameterLearners = new List <Learner>()
{
Learner.SGDLearner(lastLayer.Parameters(), learningRatePerSample)
};
Trainer trainer = Trainer.CreateTrainer(lastLayer, lossFunction, evalErrorFunction, parameterLearners);
double nbSamplesToUseForTraining = 20000;
int numMinibatchesToTrain = (int)(nbSamplesToUseForTraining / (int)minibatchSize);
// train the model
for (int minibatchCount = 0; minibatchCount < numMinibatchesToTrain; minibatchCount++)
{
IEnumerable <DataPoint> trainingData = GenerateData((int)minibatchSize);
List <double> minibatchInput = new List <double>();
List <double> minibatchOutput = new List <double>();
foreach (DataPoint row in trainingData)
{
minibatchInput.Add(row.Age);
minibatchInput.Add(row.TumorSize);
minibatchOutput.Add(row.HasCancer ? 0d : 1d);
minibatchOutput.Add(row.HasCancer ? 1d : 0d);
}
Value inputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbDimensionsInput }), minibatchInput, device);
Value outputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbLabels }), minibatchOutput, device);
trainer.TrainMinibatch(new Dictionary <Variable, Value>()
{
{ inputVariables, inputData }, { expectedOutput, outputData }
}, false, device);
PrintTrainingProgress(trainer, minibatchCount);
}
// test
{
int testSize = 100;
IEnumerable <DataPoint> trainingData = GenerateData(testSize);
List <double> minibatchInput = new List <double>();
List <double> minibatchOutput = new List <double>();
foreach (DataPoint row in trainingData)
{
minibatchInput.Add(row.Age);
minibatchInput.Add(row.TumorSize);
minibatchOutput.Add(row.HasCancer ? 0d : 1d);
minibatchOutput.Add(row.HasCancer ? 1d : 0d);
}
Value inputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbDimensionsInput }), minibatchInput, device);
Value outputData = Value.CreateBatch <double>(NDShape.CreateNDShape(new int[] { nbLabels }), minibatchOutput, device);
IList <IList <double> > expectedOneHot = outputData.GetDenseData <double>(lastLayer.Output);
IList <int> expectedLabels = expectedOneHot.Select(l => l.IndexOf(1.0d)).ToList();
var outputDataMap = new Dictionary <Variable, Value>()
{
{ lastLayer.Output, null }
};
lastLayer.Evaluate(
new Dictionary <Variable, Value>()
{
{ inputVariables, inputData }
},
outputDataMap,
device);
Value outputValue = outputDataMap[lastLayer.Output];
IList <IList <double> > actualLabelSoftMax = outputValue.GetDenseData <double>(lastLayer.Output);
var actualLabels = actualLabelSoftMax.Select((IList <double> l) => l.IndexOf(l.Max())).ToList();
int misMatches = actualLabels.Zip(expectedLabels, (a, b) => a.Equals(b) ? 0 : 1).Sum();
Debug.WriteLine($"Validating Model: Total Samples = {testSize}, Misclassify Count = {misMatches}");
}
}
public void Run()
{
var device = DeviceDescriptor.UseDefaultDevice();
var util = new Example_103_Util();
// data
string trainImagesPath = "./Example_103/train-images-idx3-ubyte.gz";
string trainLabelsPath = "./Example_103/train-labels-idx1-ubyte.gz";
List <byte[]> trainImages = util.LoadImages(trainImagesPath);
List <int> trainLabels = util.LoadLabels(trainLabelsPath);
List <int[]> trainLabels1Hot = trainLabels.Select(x => util.ConvertTo1Hot(x)).ToList();
string evelImagesPath = "./Example_103/t10k-images-idx3-ubyte.gz";
string evalLabelsPath = "./Example_103/t10k-labels-idx1-ubyte.gz";
List <byte[]> evalImages = util.LoadImages(evelImagesPath);
List <int> evalLabels = util.LoadLabels(evalLabelsPath);
List <int[]> evalLabels1Hot = evalLabels.Select(x => util.ConvertTo1Hot(x)).ToList();
// model
int sampleSize = trainImages.Count;
int nbLabels = 10; // de 0 à 10
Variable inputVariables = Variable.InputVariable(NDShape.CreateNDShape(new[] { 28, 28, 1 }), DataType.Double, "input");
Variable expectedOutput = Variable.InputVariable(NDShape.CreateNDShape(new int[] { nbLabels }), DataType.Double, "output");
var scaledInput = CNTKLib.ElementTimes(Constant.Scalar <double>(1.0 / 255.0, device), inputVariables);
Function lastLayer = DefineModel_103D(util, nbLabels, scaledInput);
Function lossFunction = CNTKLib.CrossEntropyWithSoftmax(lastLayer, expectedOutput);
Function evalErrorFunction = CNTKLib.ClassificationError(lastLayer, expectedOutput);
// training
Trainer trainer;
{
// define training
uint minibatchSize = 64;
double learningRate = 0.2;
TrainingParameterScheduleDouble learningRatePerSample = new TrainingParameterScheduleDouble(learningRate, minibatchSize);
List <Learner> parameterLearners = new List <Learner>()
{
Learner.SGDLearner(lastLayer.Parameters(), learningRatePerSample)
};
trainer = Trainer.CreateTrainer(lastLayer, lossFunction, evalErrorFunction, parameterLearners);
// run training
int nbSamplesToUseForTraining = trainImages.Count;
int numSweepsToTrainWith = 10; // traduction de sweep ?
int numMinibatchesToTrain = nbSamplesToUseForTraining * numSweepsToTrainWith / (int)minibatchSize;
var minibatchSource = new Example_103_MinibatchSource(inputVariables, trainImages, expectedOutput, trainLabels1Hot, nbSamplesToUseForTraining, numSweepsToTrainWith, minibatchSize, device);
for (int minibatchCount = 0; minibatchCount < numMinibatchesToTrain; minibatchCount++)
{
IDictionary <Variable, MinibatchData> data = minibatchSource.GetNextRandomMinibatch();
trainer.TrainMinibatch(data, device);
util.PrintTrainingProgress(trainer, minibatchCount);
}
}
// evaluate
{
uint testMinibatchSize = 512;
int nbSamplesToTest = evalImages.Count;
int numMinibatchesToTrain = nbSamplesToTest / (int)testMinibatchSize;
double testResult = 0;
var minibatchSource = new Example_103_MinibatchSource(inputVariables, evalImages, expectedOutput, evalLabels1Hot, nbSamplesToTest, 1, testMinibatchSize, device);
for (int minibatchCount = 0; minibatchCount < numMinibatchesToTrain; minibatchCount++)
{
IDictionary <Variable, MinibatchData> data = minibatchSource.GetNextRandomMinibatch();
UnorderedMapVariableMinibatchData evalInput = new UnorderedMapVariableMinibatchData();
foreach (var row in data)
{
evalInput[row.Key] = row.Value;
}
double error = trainer.TestMinibatch(evalInput, device);
testResult += error;
//var z = CNTKLib.Softmax(lastLayer);
//var tOut = new Dictionary<Variable, Value>() { { z.Output, null } };
//z.Evaluate(
// new Dictionary<Variable, Value>() { { inputVariables, data[inputVariables].data } },
// tOut,
// device
// );
//Value outputValue = tOut[z.Output];
//IList<IList<double>> actualLabelSoftMax = outputValue.GetDenseData<double>(z.Output);
//var actualLabels = actualLabelSoftMax.Select((IList<double> l) => l.IndexOf(l.Max())).ToList();
//Value expectedOutputValue = data[expectedOutput].data;
//IList<IList<double>> expectedLabelsSoftmax = expectedOutputValue.GetDenseData<double>(z.Output);
//var expectedLabels = expectedLabelsSoftmax.Select((IList<double> l) => l.IndexOf(l.Max())).ToList();
//for(int i = 0; i < expectedLabels.Count; i++)
//{
// if (actualLabels[i] != expectedLabels[i])
// {
// Debug.WriteLine($"{actualLabels[i]} {expectedLabels[i]}");
// }
//}
//int misMatches = actualLabels.Zip(expectedLabels, (a, b) => a.Equals(b) ? 0 : 1).Sum();
Debug.WriteLine($"Average test error: {(testResult / (minibatchCount + 1)):p2}");
}
Debug.WriteLine($"Average test error: {(testResult / numMinibatchesToTrain):p2}");
}
}
