private string[] CreateActionList(Histogram actionFeatures, HashedDistanceHistogram actions)
{
HashSet <string> actionSet = new HashSet <string>();
while (actionSet.Count < actions.UniqueActions)
{
int featureCount = (int)actionFeatures.Sample(rand);
var ac = $"{{ {MakeFeatureVector(featureCount)} }}";
if (!actionSet.Contains(ac))
{
actionSet.Add(ac);
}
}
var actionList = actionSet.ToArray();
return(actionList);
}
public StatsFileStepProvider(string statsConfig, int seed, int steps)
{
this.rand = new Random(seed);
this.steps = steps;
var obj = JObject.Parse(File.ReadAllText(statsConfig));
int evtCount = (int)obj["EventCount"];
int obsCount = (int)obj["ObservationCount"];
int activationCount = (int)obj["ActivationCount"];
this.pObs = obsCount / (double)evtCount;
this.pAct = activationCount / (double)evtCount;
this.sharedCtxFeatures = new Histogram((JObject)obj["SharedContextFeaturesDistribution"]);
this.actionFeatures = new Histogram((JObject)obj["ActionFeaturesDistribution"]);
this.actionCount = new Histogram((JObject)obj["ActionCountDistribution"]);
this.actions = new HashedDistanceHistogram((JObject)obj["RepetitionHistogram"]);
this.actionList = CreateActionList(actionFeatures, actions);
this.recentActions = new RotatingActionHash();
}
