void SetData(MA ma, DateTime pivot, int n)
{
DateTime cur = pivot;
int count = 0;
while (true)
{
if (count >= n)
{
break;
}
if (_data.ContainsKey(cur))
{
double value = _data[cur];
ma.Add(value);
++count;
}
cur = GetNearestDate(cur.AddDays(-1));
}
}