//Static methods
/// <summary>
/// Creates the simplified configuration of the input encoder.
/// </summary>
/// <remarks>
/// Supports only external input fields of the the real numbers.
/// </remarks>
/// <param name="feedingCfg">The configuration of the input feeding.</param>
/// <param name="spikesCoderCfg">The configuration of the input spikes coder.</param>
/// <param name="extFieldNameCollection">The collection of the external input field names.</param>
/// <param name="routeToReadout">Specifies whether to route inputs to readout layer.</param>
public static InputEncoderSettings CreateInputCfg(IFeedingSettings feedingCfg,
InputSpikesCoderSettings spikesCoderCfg,
IEnumerable <string> extFieldNameCollection,
bool routeToReadout = true
)
{
if (feedingCfg == null)
{
throw new ArgumentNullException("feedingCfg");
}
if (spikesCoderCfg == null)
{
spikesCoderCfg = new InputSpikesCoderSettings();
}
List <ExternalFieldSettings> extFieldCollection = new List <ExternalFieldSettings>();
foreach (string name in extFieldNameCollection)
{
extFieldCollection.Add(new ExternalFieldSettings(name, new RealFeatureFilterSettings(), routeToReadout));
}
ExternalFieldsSettings extFieldsCfg = new ExternalFieldsSettings(extFieldCollection);
VaryingFieldsSettings fieldsCfg = new VaryingFieldsSettings(spikesCoderCfg, extFieldsCfg, null, null, routeToReadout);
return(new InputEncoderSettings(feedingCfg, fieldsCfg));
}
//Methods
/// <summary>
/// Creates input part of the neural preprocessor's configuration.
/// </summary>
private InputEncoderSettings CreateInputCfg()
{
//Definition of input external fields
//In this example we will use three of available input fields: "High" price, "Low" price and "Adj Close" price.
//We want to route input fields to readout layer together with other predictors
const bool RouteToReadout = true;
//All 3 input fields are real numbers and thus they should be standardly normalized and standardized.
RealFeatureFilterSettings realFeatureFilterCfg = new RealFeatureFilterSettings(true, true);
//Input fields collection
ExternalFieldSettings extFieldHighCfg = new ExternalFieldSettings("High", realFeatureFilterCfg, RouteToReadout);
ExternalFieldSettings extFieldLowCfg = new ExternalFieldSettings("Low", realFeatureFilterCfg, RouteToReadout);
ExternalFieldSettings extFieldAdjCloseCfg = new ExternalFieldSettings("Adj Close", realFeatureFilterCfg, RouteToReadout);
ExternalFieldsSettings externalFieldsCfg = new ExternalFieldsSettings(extFieldHighCfg, extFieldLowCfg, extFieldAdjCloseCfg);
//Definition of the continuous input feeding
//We use FeedingContinuousSettings.AutoBootCyclesNum so necessary number of boot cycles will be automatically determined
//based on neural preprocessor structure
FeedingContinuousSettings feedingContinuousCfg = new FeedingContinuousSettings(FeedingContinuousSettings.AutoBootCyclesNum);
//Create and return input configuration
return(new InputEncoderSettings(feedingContinuousCfg, new VaryingFieldsSettings(externalFieldsCfg, null, null, RouteToReadout)));
}
