/// <summary>
/// Calculate current group statistics
/// </summary>
public void CalculateGroupStatistics()
{
List <int> mathData = new List <int>();
List <int> physicsData = new List <int>();
List <int> englishData = new List <int>();
foreach (Student item in Students)
{
mathData.Add(item.Math);
physicsData.Add(item.Physics);
englishData.Add(item.English);
}
Statistics.Add("Math", new Statistic(StatisticHelper.Mode(mathData), StatisticHelper.Median(mathData), StatisticHelper.SimpleAverage(mathData)));
Statistics.Add("Physics", new Statistic(StatisticHelper.Mode(physicsData), StatisticHelper.Median(physicsData), StatisticHelper.SimpleAverage(physicsData)));
Statistics.Add("English", new Statistic(StatisticHelper.Mode(englishData), StatisticHelper.Median(englishData), StatisticHelper.SimpleAverage(englishData)));
}
/// <summary>
/// Calculate statistics for all data, using StatisticHelper class for mode,median and average calculations
/// </summary>
public void CalculateDataStatistics()
{
List <int> mData = new List <int>();
List <int> pData = new List <int>();
List <int> eData = new List <int>();
foreach (Group item in Groups.Values)
{
for (int i = 0; i < item.GetStudentsCount; i++)
{
mData.Add(item.GetStudent(i).Math);
pData.Add(item.GetStudent(i).Physics);
eData.Add(item.GetStudent(i).English);
}
}
Statistics.Add("Math", new Statistic(StatisticHelper.Mode(mData), StatisticHelper.Median(mData), StatisticHelper.SimpleAverage(mData)));
Statistics.Add("Physics", new Statistic(StatisticHelper.Mode(pData), StatisticHelper.Median(pData), StatisticHelper.SimpleAverage(pData)));
Statistics.Add("English", new Statistic(StatisticHelper.Mode(eData), StatisticHelper.Median(eData), StatisticHelper.SimpleAverage(eData)));
}
/// <summary>
/// Method that gets data from file and process it
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public bool ProcessExaminationData(string filePath)
{
if (string.IsNullOrEmpty(filePath))
{
Console.WriteLine("\r\nThere is no path");
return(false);
}
if (!File.Exists(filePath))
{
Console.WriteLine("\r\nFile with data does not exist, please put 'examination.txt' into the Desktop folder");
return(false);
}
string[] lines = File.ReadAllLines(filePath);
if (lines.Length == 0)
{
return(false);
}
int GroupCount = 0;
foreach (string item in lines)
{
string[] line = item.Split(';');
if (line.Length == 1)
{
if (line[0].ToLower().Contains("group"))
{
GroupCount++;
ExaminationData.InsertGroup(GroupPrefix + GroupCount, new Group());
}
continue;
}
int math = Int16.Parse(Regex.Match(line[1], @"\d+").Value);
int physics = Int16.Parse(Regex.Match(line[2], @"\d+").Value);
int english = Int16.Parse(Regex.Match(line[3], @"\d+").Value);
ExaminationData.InserStudentToGroup(GroupPrefix + GroupCount, new Student(line[0], math, physics, english, StatisticHelper.CalculateWeightedAverage(math, physics, english)));
}
CalculateGroupSubjectsStatistics();
CalculateWholeDataStatistics();
return(true);
}
