public SrCnnEntireAnomalyDetector(IHostEnvironment env, IDataView input, string outputColumnName, string inputColumnName, SrCnnEntireAnomalyDetectorOptions options)
: base(env, nameof(SrCnnEntireAnomalyDetector), input)
{
Host.CheckValue(outputColumnName, nameof(outputColumnName));
Host.CheckValue(inputColumnName, nameof(inputColumnName));
_inputColumnName = inputColumnName;
Host.CheckValue(options, nameof(options));
CheckOptionArguments(options);
_options = options;
_outputLength = _outputLengthArray[(int)options.DetectMode];
_bindings = new Bindings(input.Schema, inputColumnName, outputColumnName, new VectorDataViewType(NumberDataViewType.Double, _outputLength));
}
private void CheckOptionArguments(SrCnnEntireAnomalyDetectorOptions options)
{
Host.CheckUserArg(options.Period >= 0, nameof(options.Period), "Must be an integer equal to or greater than 0.");
Host.CheckUserArg(options.BatchSize == -1 || options.BatchSize >= MinBatchSize, nameof(options.BatchSize), "Must be -1 or no less than 12.");
Host.CheckUserArg(options.BatchSize >= 4 * options.Period || options.BatchSize == -1 || options.Period == 0, nameof(options.BatchSize), "Must be at least four times the length of one period.");
Host.CheckUserArg(options.Threshold >= 0 && options.Threshold <= 1, nameof(options.Threshold), "Must be in [0,1].");
Host.CheckUserArg(options.DetectMode == SrCnnDetectMode.AnomalyOnly ||
options.DetectMode == SrCnnDetectMode.AnomalyAndExpectedValue ||
options.DetectMode == SrCnnDetectMode.AnomalyAndMargin, nameof(options.DetectMode), "Invalid detectMode");
Host.CheckUserArg(options.DeseasonalityMode == SrCnnDeseasonalityMode.Stl ||
options.DeseasonalityMode == SrCnnDeseasonalityMode.Mean ||
options.DeseasonalityMode == SrCnnDeseasonalityMode.Median, nameof(options.DeseasonalityMode), "Invalid detectMode");
Host.CheckUserArg(options.Sensitivity >= 0 && options.Sensitivity <= 100, nameof(options.Sensitivity), "Must be in [0,100].");
}
