private async Task FindAnomalies()
{
IsBusy = true;
PriceInfo.sensitivity = Sensitivity;
PriceAnomalies = new ObservableCollection <Anomaly>();
PriceResult = await AnomalyDetectorService.DetectAnomalies(priceInfo);
if (PriceResult != null)
{
for (int i = 0; i < PriceResult.IsAnomaly.Length; i++)
{
if (PriceResult.IsAnomaly[i])
{
var priceData = PriceInfo.series[i];
var lowerBoundary = PriceResult.ExpectedValues[i] - PriceResult.LowerMargins[i];
var upperBoundary = PriceResult.ExpectedValues[i] + PriceResult.UpperMargins[i];
PriceAnomalies.Add(new Anomaly()
{
Value = priceData.value,
Timestamp = priceData.timestamp,
IsPositive = PriceResult.IsPositiveAnomaly[i],
Range = $"Range: [{lowerBoundary:N2}, {upperBoundary:N2}]"
});
}
}
CreateChart(anomalies: true);
}
IsBusy = false;
}
