private List <ScatterPoint> GetScatterPoints(Subject[] allSubjects, Gender gender)
{
int[,] weights = new int[101, 101];
foreach (Subject subject in allSubjects.Where(x => x.Gender == gender))
{
HemispherePercentage hemispherePercentage = testEvaluator.Evaluate(subject);
int leftPercentage = (int)hemispherePercentage.LeftPercentage;
int age = subject.Age;
weights[leftPercentage, age]++;
}
List <ScatterPoint> maleScatterPoints = new List <ScatterPoint>();
for (int perc = 0; perc < weights.GetLength(0); perc++)
{
for (int age = 0; age < weights.GetLength(1); age++)
{
int weight = weights[perc, age];
if (weight > 0)
{
maleScatterPoints.Add(new ScatterPoint(perc, age, weight));
}
}
}
return(maleScatterPoints);
}
public HemispherePercentage Evaluate(Subject subject)
{
HemispherePercentage percentage = new HemispherePercentage();
int numberOfQuestions = subject.QuestionAnswers.Count();
int answersForRight = subject.QuestionAnswers.Where(qa => qa.Question.Hemisphere == Hemisphere.Right && qa.Answer == true).Count() + subject.QuestionAnswers.Where(qa => qa.Question.Hemisphere == Hemisphere.Left && qa.Answer == false).Count();
int answersForLeft = subject.QuestionAnswers.Where(qa => qa.Question.Hemisphere == Hemisphere.Left && qa.Answer == true).Count() + subject.QuestionAnswers.Where(qa => qa.Question.Hemisphere == Hemisphere.Right && qa.Answer == false).Count();
double rightPerc = Math.Round(answersForRight / ((numberOfQuestions) * 0.01), 2);
double leftPerc = 100 - rightPerc;
if (Double.IsNaN(rightPerc))
{
percentage.RightPercentage = 0;
}
else
{
percentage.RightPercentage = rightPerc;
}
if (Double.IsNaN(leftPerc))
{
percentage.LeftPercentage = 0;
}
else
{
percentage.LeftPercentage = leftPerc;
}
return(percentage);
}
