public static DataFrame RandomWalk(int count, DateTime start, DateTime stop)
{
Console.WriteLine("RandomWalk generating {0}".Args(count));
var df = new DataFrame {
DateTimeSeries.Range(count, start, stop),
Generate.Series.Random(count, new BoxMullerNormal()).Apply(v => (v * 1e-4).CumSum().Exp()),
};
df.Index = df[0];
Console.WriteLine(df);
return(df);
}
void OnSampleLoaded(object sender, RoutedEventArgs e)
{
this.timeline.Series.Clear();
DateTimeSeries series = new DateTimeSeries();
series.Title = "排产记录";
Random r = new Random();
DateTime time = DateTime.Today;
series.Entries.Add(new DateTimeEntry { Time = time.AddHours(r.Next(10, 30)), Title = "首次排单：30W" });
series.Entries.Add(new DateTimeEntry { Time = time.AddHours(r.Next(10, 30)), Title = "推单:3.5W 至" + time.AddDays(r.Next(0, 3)).ToString("MM/dd") });
series.Entries.Add(new DateTimeEntry { Time = time.AddHours(r.Next(10, 30)), Title = "推单:2W 至"+time.AddDays(r.Next(0,3)).ToString("MM/dd") });
series.Entries.Add(new DateTimeEntry { Time = time.AddHours(r.Next(10, 30)).AddMinutes(15), Title = "提单:5W 来自"+time.AddDays(r.Next(0,3)).ToString("MM/dd") });
this.timeline.Series.Add(series);
}
