public static LessonStatistics GetAverage()
{
LessonStatistics stats = new LessonStatistics();
if (sessionStatistics.Count > 0)
{
stats.Accuracy = Math.Round(sessionStatistics.Select(s => s.Accuracy).Average(), 2);
stats.TrueAccuracy = Math.Round(sessionStatistics.Select(s => s.TrueAccuracy).Average(), 2);
stats.SpeedWpm = Math.Round(sessionStatistics.Select(s => s.SpeedWpm).Average(), 2);
stats.Correct = sessionStatistics.Sum(s => s.Correct);
stats.Errors = sessionStatistics.Sum(s => s.Errors);
stats.Entries = sessionStatistics.Sum(s => s.Entries);
stats.SpeedCpm = (int)Math.Round(sessionStatistics.Select(s => s.SpeedCpm).Average());
stats.LessonLength = sessionStatistics.Sum(s => s.LessonLength);
foreach (var st in sessionStatistics)
{
stats.TimeTaken += st.TimeTaken;
}
}
return(stats);
}
public static void Add(LessonStatistics stats)
{
sessionStatistics.Add(stats);
}