public int[] GetMinMonth()
{
var grouped = Trades.ToLookup(t => new DateTime(
DateTimeOffset.FromUnixTimeSeconds(t.T).Year,
DateTimeOffset.FromUnixTimeSeconds(t.T).Month,
1));
var minGroup = grouped.Aggregate((grp, minSoFar)
=> minSoFar == null || grp.Count() < minSoFar.Count() ? grp : minSoFar);
return(new int[3] {
minGroup.Key.Year, minGroup.Key.Month, minGroup.Count()
});
}
