public StochasticCoordinateGenerator(double[] mean, double[] sigma, int count)
{
if(mean.Length != sigma.Length)
throw new ArgumentException("Mean and Sigma array length must be equal.", "sigma");
_dimensions = mean.Length;
_generators = new NormalGenerator[_dimensions];
for(int i = 0; i < _dimensions; i++)
_generators[i] = new NormalGenerator(mean[i], sigma[i]);
_count = count;
}
public TrainingConfig(ConfigNode config)
{
_config = config;
_gaussian = new NormalGenerator(0.0, 0.5);
_basic = new BasicConfig(config);
_autoTrainingEpochs = new ConfigItem <int>(_config, "AutoTrainingEpochs", 400);
_autoTrainingAttempts = new ConfigItem <int>(_config, "AutoTrainingAttempts", 1);
_autoTrainingPercentSuccessful = new ConfigItem <double>(_config, "AutoTrainingPercentSuccessful", 1.0);
_shuffleSwapProbability = new ConfigItem <double>(_config, "ShuffleSwapProbability", 0.05);
_shuffleNoiseSigma = new ConfigItem <double>(_config, "ShuffleNoiseSigma", 0.5);
_shuffleEn = new ConfigItem <bool>(_config, "ShuffleEnable", false);
}
public StochasticCoordinateGenerator(double[] mean, double[] sigma, int count)
{
if (mean.Length != sigma.Length)
{
throw new ArgumentException("Mean and Sigma array length must be equal.", "sigma");
}
_dimensions = mean.Length;
_generators = new NormalGenerator[_dimensions];
for (int i = 0; i < _dimensions; i++)
{
_generators[i] = new NormalGenerator(mean[i], sigma[i]);
}
_count = count;
}
public TrainingConfig(ConfigNode config)
{
_config = config;
_gaussian = new NormalGenerator(0.0, 0.5);
_basic = new BasicConfig(config);
_autoTrainingEpochs = new ConfigItem<int>(_config, "AutoTrainingEpochs", 400);
_autoTrainingAttempts = new ConfigItem<int>(_config, "AutoTrainingAttempts", 1);
_autoTrainingPercentSuccessful = new ConfigItem<double>(_config, "AutoTrainingPercentSuccessful", 1.0);
_shuffleSwapProbability = new ConfigItem<double>(_config, "ShuffleSwapProbability", 0.05);
_shuffleNoiseSigma = new ConfigItem<double>(_config, "ShuffleNoiseSigma", 0.5);
_shuffleEn = new ConfigItem<bool>(_config, "ShuffleEnable", false);
}
[TestMethod] public void normal_average_should_be_0()
{
NormalGenerator normal = new NormalGenerator();
double sum = 0.0;
double nbValues = 10e6;
for (int i = 0; i < nbValues; i++)
{
sum += normal.Generate();
}
double avg = sum / nbValues;
Assert.AreEqual(0, avg, 0.1);
}
static XGenParser()
{
Factories = new Dictionary <string, VariableFactory>
{
{ "PageViews", VariableFactory.Lambda((segment, token, parser) => segment.VisitVariables.AddOrReplace(Variables.Random("PageViews", new PoissonGenerator(token.Value <double>()).Truncate(1, 20)))) },
{ "VisitCount", VariableFactory.Lambda((segment, token, parser) => segment.VisitorVariables.AddOrReplace(Variables.Random("VisitCount", new PoissonGenerator(token.Value <double>()).Truncate(1, 20)))) },
{ "BounceRate", VariableFactory.Lambda((segment, token, parser) => segment.VisitVariables.AddOrReplace(Variables.Boolean("Bounce", token.Value <double>()))) },
{ "Duration", VariableFactory.Lambda((segment, token, parser) =>
{
var mean = token.Value <double>();
segment.RequestVariables.AddOrReplace(Variables.Duration(new SkewNormalGenerator(mean, mean, 3), 1));
}) },
{ "StartDate", VariableFactory.Lambda((segment, token, parser) => segment.DateGenerator.Start = token.Value <DateTime>()) },
{ "EndDate", VariableFactory.Lambda((segment, token, parser) => segment.DateGenerator.End = token.Value <DateTime>()) },
{ "DayOfWeek", VariableFactory.Lambda((segment, token, parser) => segment.DateGenerator.DayOfWeek(t => t.Clear().Weighted(builder =>
{
foreach (var kv in (JObject)token)
{
DayOfWeek day;
builder.Add(Enum.TryParse(kv.Key, out day) ? (int)day : int.Parse(kv.Key), kv.Value.Value <double>());
}
}))) },
{ "YearlyTrend", VariableFactory.Lambda((segment, token, parser) =>
{
if (token.Value <double>() != 1)
{
segment.DateGenerator.Year(t => t.Clear().MoveAbsolutePercentage(0).LineAbsolutePercentage(1, token.Value <double>()));
}
//segment.DateGenerator.YearWeight = 1;
}) },
{ "Month", new MonthFactory() },
{ "Identified", VariableFactory.Lambda((segment, token, parser) => segment.VisitorVariables.AddOrReplace(new ContactDataVariable(token.Value <double>()))) },
{ "Campaign", VariableFactory.Lambda((segment, token, parser) =>
{
var campaignPct = token.Value <double?>("Percentage") ?? 1;
var campaigns = parser.ParseWeightedSet <string>(token["Weights"]);
segment.VisitVariables.AddOrReplace(Variables.Random("Campaign", () => Randomness.Random.NextDouble() < campaignPct ? campaigns() : null, true));
}) },
{ "Channel", VariableFactory.Lambda((segment, token, parser) =>
{
var channelPct = token.Value <double?>("Percentage") ?? 1;
var channels = parser.ParseWeightedSet <string>(token["Weights"]);
segment.VisitVariables.AddOrReplace(Variables.Random("Channel", () => Randomness.Random.NextDouble() < channelPct ? channels() : null, true));
}) },
{ "Referrer", VariableFactory.Lambda((segment, token, parser) => segment.VisitVariables.AddOrReplace(Variables.Random("Referrer", parser.ParseWeightedSet <string>(token), true))) },
{ "Geo", VariableFactory.Lambda((segment, token, parser) =>
{
var regionId = parser.ParseWeightedSet <string>(token["Region"]);
segment.VisitorVariables.AddOrReplace(new GeoVariables(() => new GetRandomCityService().GetRandomCity(regionId())));
}) },
{ "Devices", VariableFactory.Lambda((segment, token, parser) =>
{
Func <string> userAgent;
if (!token.HasValues)
{
userAgent = new DeviceRepository().GetAll().Select(d => d.UserAgent).Exponential(.8, 8);
}
else
{
var id = parser.ParseWeightedSet <string>(token);
userAgent = () => new DeviceRepository().GetAll().ToDictionary(ga => ga.Id, ga => ga)[id()].UserAgent;
}
segment.VisitorVariables.AddOrReplace(Variables.Random("UserAgent", userAgent));
}) },
{ "Outcomes", VariableFactory.Lambda((segment, token, parser) =>
{
var value = new NormalGenerator(10, 5).Truncate(1);
segment.VisitVariables.AddOrReplace(new OutcomeVariable(parser.ParseSet <string>(token), value.Next));
}) },
{ "Goal", VariableFactory.Lambda((segment, token, parser) =>
{
var goalPct = token.Value <double?>("Percentage") ?? 0.2;
var goals = parser.ParseWeightedSet <string>(token["Weights"]);
segment.VisitVariables.AddOrReplace(Variables.Random("Goal", () => Randomness.Random.NextDouble() < goalPct ? goals() : null, true));
}) },
{ "InternalSearch", VariableFactory.Lambda((segment, token, parser) =>
{
var searchPct = token.Value <double?>("Percentage") ?? 0.2;
var keywords = parser.ParseWeightedSet <string>(token["Keywords"]);
segment.VisitVariables.AddOrReplace(Variables.Random("InternalSearch", () => Randomness.Random.NextDouble() < searchPct ? keywords() : null, true));
}) },
{ "ExternalSearch", VariableFactory.Lambda((segment, token, parser) =>
{
var searchPct = token.Value <double?>("Percentage") ?? 0.2;
var keywords = parser.ParseWeightedSet <string>(token["Keywords"]);
var engineId = parser.ParseWeightedSet <string>(token["Engine"]);
segment.VisitVariables.AddOrReplace(new ExternalSearchVariable(() => Randomness.Random.NextDouble() >= searchPct ? null : SearchEngine.SearchEngines.ToDictionary(s => s.Id)[engineId()], () => new[] { keywords() }));
}) },
{ "Language", VariableFactory.Lambda((segment, token, parser) =>
{
var languages = parser.ParseWeightedSet <string>(token);
segment.VisitVariables.AddOrReplace(Variables.Random("Language", languages));
}) },
{ "LandingPage", new LandingPageFactory() }
};
}
public virtual IEnumerable <VisitorSegment> ParseContacts(JToken definition, JobType type)
{
var segments = new List <VisitorSegment>();
if (JobType.Contacts != type)
{
return(segments);
}
foreach (var contact in (JArray)definition)
{
if (contact["interactions"] == null)
{
continue;
}
foreach (var interactionJObject in contact["interactions"])
{
var segment = new VisitorSegment(contact.Value <string>("email"));
var interaction = interactionJObject.ToObject <Interaction>();
//set city
if (interaction.GeoData != null)
{
var city = _geoDataRepository.Cities.FirstOrDefault(x => x.GeoNameId == interaction.GeoData.GeoNameId);
segment.VisitorVariables.Add(new GeoVariables(() => city));
}
//set contact
segment.VisitVariables.Add(ExtractContact(contact));
//set channel (can be overriden below)
segment.VisitVariables.Add(new SingleVisitorVariable <string>("Channel", visit => interaction.ChannelId));
//set search options
if (!string.IsNullOrEmpty(interaction.SearchEngine))
{
var searchEngine = SearchEngine.SearchEngines.First(s => s.Id.Equals(interaction.SearchEngine, StringComparison.InvariantCultureIgnoreCase));
if (!string.IsNullOrEmpty(interaction.SearchKeyword))
{
var searchKeywords = interaction.SearchKeyword.Split(' ');
segment.VisitVariables.AddOrReplace(new ExternalSearchVariable(() => searchEngine, () => searchKeywords));
}
}
var pageItemInfos = interaction.Pages?.ToArray() ?? Enumerable.Empty <PageItemInfo>();
var pages = new List <PageDefinition>();
foreach (var page in pageItemInfos)
{
var pageDefinition = new PageDefinition
{
Path = page.Path
};
//set goals
if (page.Goals != null)
{
pageDefinition.RequestVariables.Add("TriggerEvents", page.Goals.Select(x => new TriggerEventData
{
Id = x.Id,
Name = x.DisplayName,
IsGoal = true
}).ToList());
}
pages.Add(pageDefinition);
}
//set userAgent
SetUserAgent(segment);
//set datetime
segment.DateGenerator.Start = DateTime.Today.AddHours(12).AddMinutes(Randomness.Random.Next(-240, 240)).AddSeconds(Randomness.Random.Next(-240, 240)).Add(TimeSpan.Parse(interaction.Recency));
//set outcomes
if (interaction.Outcomes != null)
{
var outcomes = interaction.Outcomes.Select(x => x.Id.ToString());
var value = new NormalGenerator(10, 5).Truncate(1);
segment.VisitVariables.AddOrReplace(new OutcomeVariable(() => new HashSet <string>(outcomes), value.Next));
}
//set campaign (can be overriden below)
if (!string.IsNullOrEmpty(interaction.CampaignId) && pageItemInfos.Any())
{
var pageItemInfo = pageItemInfos.First();
pageItemInfo.Path = pageItemInfo.Path + "?sc_camp=" + interaction.CampaignId;
}
var visitorBehavior = new StrictWalk(_sitecoreRoot, pages);
segment.Behavior = () => visitorBehavior;
segments.Add(segment);
}
}
return(segments);
}
public virtual IEnumerable <VisitorSegment> ParseContacts(JToken definition, JobType type)
{
var segments = new List <VisitorSegment>();
if (JobType.Contacts != type)
{
return(segments);
}
foreach (var contact in (JArray)definition)
{
if (contact["interactions"] == null)
{
continue;
}
foreach (var interactionJObject in contact["interactions"])
{
var segment = new VisitorSegment(contact.Value <string>("email"));
var interaction = interactionJObject.ToObject <Interaction>();
//set city
if (interaction.GeoData != null)
{
var city = _geoDataRepository.Cities.FirstOrDefault(x => x.GeoNameId == interaction.GeoData.GeoNameId);
segment.VisitorVariables.Add(new GeoVariables(() => city));
}
//set contact
segment.VisitVariables.Add(ExtractContact(contact));
//set channel (can be overriden below)
segment.VisitVariables.Add(new SingleVisitorVariable <string>("Channel", visit => interaction.ChannelId));
//set search options
if (!string.IsNullOrEmpty(interaction.SearchEngine))
{
var searchEngine = SearchEngine.SearchEngines.First(s => s.Id.Equals(interaction.SearchEngine, StringComparison.InvariantCultureIgnoreCase));
if (!string.IsNullOrEmpty(interaction.SearchKeyword))
{
var searchKeywords = interaction.SearchKeyword.Split(' ');
segment.VisitVariables.AddOrReplace(new ExternalSearchVariable(() => searchEngine, () => searchKeywords));
}
}
//set userAgent
SetUserAgent(segment);
//set datetime
//Visits while happen in this interval adjusted for the interaction's local time.
const double minHour = 6, maxHour = 23;
//Does the interaction have a time zone? If not use UTC.
var tz = interaction.GeoData?.TimeZoneInfo ?? TimeZoneInfo.Utc;
//Pick a random time between min and max hour. DateTimeKind.Unspecified is used because we are converting to local time next.
var startDate = DateTime.SpecifyKind(DateTime.Today.AddHours(minHour + Randomness.Random.NextDouble() * (maxHour - minHour)), DateTimeKind.Unspecified);
startDate = TimeZoneInfo.ConvertTimeToUtc(startDate, tz); //Convert from local time to UTC.
//"Recency" indicates how many days ago the visit happened. Hence substract this number of days.
int parseRecency;
var success = Int32.TryParse(interaction.Recency, out parseRecency);
if (!success)
{
throw new Exception("Error parsing interaction recency (days since interaction) to integer value");
}
var ensurePositiveRecency = Math.Abs(parseRecency);
segment.DateGenerator.Start = startDate.Add(-TimeSpan.Parse(ensurePositiveRecency.ToString()));
//set outcomes
if (interaction.Outcomes != null)
{
var outcomes = interaction.Outcomes.Select(x => x.Id.ToString());
var value = new NormalGenerator(10, 5).Truncate(1);
segment.VisitVariables.AddOrReplace(new OutcomeVariable(() => new HashSet <string>(outcomes), value.Next));
}
var pageItemInfos = interaction.Pages?.ToArray() ?? Enumerable.Empty <PageItemInfo>();
var pages = new List <PageDefinition>();
//set campaign (can be overriden below)
if (!string.IsNullOrEmpty(interaction.CampaignId) && pageItemInfos.Any())
{
var pageItemInfo = pageItemInfos.First();
pageItemInfo.Path = pageItemInfo.Path + "?sc_camp=" + interaction.CampaignId;
}
foreach (var page in pageItemInfos)
{
var pageDefinition = new PageDefinition
{
Path = page.Path
};
//set goals
if (page.Goals != null)
{
pageDefinition.RequestVariables.Add("TriggerEvents", page.Goals.Select(x => new TriggerEventData
{
Id = x.Id,
Name = x.DisplayName,
IsGoal = true
}).ToList());
}
pages.Add(pageDefinition);
}
var visitorBehavior = new StrictWalk(_sitecoreRoot, pages);
segment.Behavior = () => visitorBehavior;
segments.Add(segment);
}
}
return(segments);
}