public static MaritalStatus RandomMaritalStatus(DateTime?dob, Gender gender)
{
if (Etx.MyRand.NextDouble() <= AmericanData.PERCENT_UNMARRIED_WHOLE_LIFE)
{
return(MaritalStatus.Single);
}
dob = dob ?? Etx.RandomAdultBirthDate();
var avgAgeMarriage = gender == Gender.Female
? AmericanEquations.FemaleAge2FirstMarriage.SolveForY(dob.Value.ToDouble())
: AmericanEquations.MaleAge2FirstMarriage.SolveForY(dob.Value.ToDouble());
var cdt = DateTime.UtcNow;
var currentAge = Etc.CalcAge(dob.Value, cdt);
if (currentAge < avgAgeMarriage)
{
return(MaritalStatus.Single);
}
//chance for being widowed goes up exp for older
if (Etx.MyRand.NextDouble() <= AmericanEquations.Age2ProbWidowed.SolveForY(currentAge))
{
return(MaritalStatus.Widowed);
}
//young first marriage
if (!(currentAge > avgAgeMarriage + AmericanData.AVG_LENGTH_OF_MARRIAGE))
{
return(MaritalStatus.Married);
}
//spin for divorce
var df = Etx.MyRand.NextDouble() <= AmericanData.PERCENT_DIVORCED;
//have 'separated' (whatever it means) as low probability
if (df && currentAge < avgAgeMarriage + AmericanData.AVG_LENGTH_OF_MARRIAGE + AmericanData.YEARS_BEFORE_NEXT_MARRIAGE)
{
return(Etx.RandomRollBelowOrAt(64, Etx.Dice.OneThousand) ? MaritalStatus.Separated : MaritalStatus.Divorced);
}
//have prob of never remarry
if (df && gender == Gender.Male)
{
return(Etx.MyRand.NextDouble() <= AmericanData.PERCENT_OF_MEN_MARRIED_ONCE_NEVER_AGAIN
? MaritalStatus.Divorced
: MaritalStatus.Remarried);
}
if (df && gender == Gender.Female)
{
return(Etx.MyRand.NextDouble() <= AmericanData.PERCENT_OF_WOMEN_MARRIED_ONCE_NEVER_AGAIN
? MaritalStatus.Divorced
: MaritalStatus.Remarried);
}
return(df ? MaritalStatus.Remarried : MaritalStatus.Married);
}
public static DateTime?RandomChildBirthDate(DateTime motherDob, int numberOfSiblings, DateTime?atTime = null)
{
//put number of siblings in scope for equations
if (numberOfSiblings <= 0)
{
numberOfSiblings = 0;
}
if (numberOfSiblings > 4)
{
numberOfSiblings = 3;
}
//default atTime to now
var dt = atTime ?? DateTime.UtcNow;
var motherAge = Etc.CalcAge(motherDob, dt);
var meanAge = AmericanEquations.FemaleAge2FirstChild.SolveForY(motherDob.Year);
//mother is too young for children
if (motherAge < meanAge)
{
return(null);
}
switch (numberOfSiblings)
{
case 2:
meanAge = AmericanEquations.FemaleAge2SecondChild.SolveForY(motherDob.Year);
if (motherAge < meanAge)
{
return(null);
}
break;
case 3:
meanAge = AmericanEquations.FemaleAge2ThirdChild.SolveForY(motherDob.Year);
if (motherAge < meanAge)
{
return(null);
}
break;
case 4:
meanAge = AmericanEquations.FemaleAge2ForthChild.SolveForY(motherDob.Year);
if (motherAge < meanAge)
{
return(null);
}
break;
}
return(Etx.RandomDate((int)Math.Round(meanAge), motherDob));
}
public static DateTime?RandomMarriageDate(DateTime?dob, Gender myGender)
{
dob = dob ?? Etx.RandomAdultBirthDate();
var dt = DateTime.UtcNow;
var avgAgeMarriage = myGender == Gender.Female
? AmericanEquations.FemaleAge2FirstMarriage.SolveForY(dob.Value.ToDouble())
: AmericanEquations.MaleAge2FirstMarriage.SolveForY(dob.Value.ToDouble());
var currentAge = Etc.CalcAge(dob.Value, dt);
//all other MaritalStatus imply at least one marriage in past
var yearsMarried = currentAge - Convert.ToInt32(Math.Round(avgAgeMarriage));
var marriedOn = Etx.RandomDate(-1 * yearsMarried, dt);
//zero-out the time
marriedOn = new DateTime(marriedOn.Year, marriedOn.Month, marriedOn.Day);
return(marriedOn);
}
public static int RandomNumberOfChildren(DateTime?dob, DateTime?atDateTime = null)
{
//average to be 2.5
var vt = DateTime.UtcNow;
if (atDateTime != null)
{
vt = atDateTime.Value;
}
dob = dob ?? Etx.RandomAdultBirthDate();
var age = Etc.CalcAge(dob.Value, vt);
var randV = Etx.RandomInteger(1, 100);
var meanAge = Math.Round(AmericanEquations.FemaleAge2ForthChild.SolveForY(vt.Year));
if (randV >= 84 && age >= meanAge)
{
return(4);
}
meanAge = Math.Round(AmericanEquations.FemaleAge2ThirdChild.SolveForY(vt.Year));
if (randV >= 66 && age >= meanAge)
{
return(3);
}
meanAge = Math.Round(AmericanEquations.FemaleAge2SecondChild.SolveForY(vt.Year));
if (randV >= 33 && age >= meanAge)
{
return(2);
}
meanAge = Math.Round(AmericanEquations.FemaleAge2FirstChild.SolveForY(vt.Year));
return(age >= meanAge ? 1 : 0);
}
public static AmericanEducation RandomEducation(DateTime?birthDate = null, string homeState = null, string zipCode = null)
{
var edu = new AmericanEducation();
var dob = birthDate ?? Etx.RandomAdultBirthDate();
var age = Etc.CalcAge(dob);
if (age < DF_MIN_AGE_ENTER_HS)
{
return(edu);
}
var dtAtAge18 = dob.AddYears(UsState.AGE_OF_ADULT);
var isLegalAdult = age >= UsState.AGE_OF_ADULT;
if (!edu.AssignRandomHighSchool(homeState, zipCode, isLegalAdult, dtAtAge18, out var hsGradDt))
{
return(edu);
}
var usstate = UsState.GetState(homeState);
edu.AssignRandomCollege(usstate?.ToString(), hsGradDt);
return(edu);
}
public int GetAge()
{
return(Etc.CalcAge(DateOfBirth));
}
