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List<double> result = GetErrorStatisticsArray(score.HitErrors);
hint = String.Format("Accuracy:\nError: {0:0.00}ms - {1:0.00}ms avg\nUnstable Rate: {2:0.00}\n", result[0], result[1], result[4] * 10, result[6], result[5]);
// input is a list of (user_hit_time - correct_time)
internal List<double> GetErrorStatisticsArray(List<int> list)
{
if (list == null || list.Count == 0)
return null;
List<double> result = new List<double>(4);
double total = 0, _total = 0, totalAll = 0;
int count = 0, _count = 0;
int max = 0, min = int.MaxValue;
for (int i = 0; i < list.Count; i++)
{
if (list[i] > max)
max = list[i];
if (list[i] < min)
min = list[i];
totalAll += list[i];
if (list[i] >= 0)
{
total += list[i];
count++;
}
else
{
_total += list[i];
_count++;
}
}
double avarage = totalAll / list.Count;
double variance = 0;
for (int i = 0; i < list.Count; i++)
{
variance += Math.Pow(list[i] - avarage, 2);
}
variance = variance / list.Count;
result.Add(_count == 0 ? 0 : _total / _count); //0
result.Add(count == 0 ? 0 : total / count); //1
result.Add(avarage); //2
result.Add(variance); //3
result.Add(Math.Sqrt(variance)); //4
result.Add(max); //5
result.Add(min); //6
return result;
}
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