static void Main(string[] args)
{
List <Passenger> passengers = Titanic.GetPassengers("Titanic.Tsv");
// Intro: The line of code above reads in a file that contains all of
// the passengers who were on the Titanic. Feel free to look at
// the Passenger class to see which fields each Passenger
// contains. The file is read into a List of Passengers.
// ToDo: Write code using LInQ in order to find the answers to the
// following questions.
// 1) Find out whether a "Miss. Alice Cleaver" survived the accident.
Passenger alice = passengers.Where(p => p.Name.Contains("Alice") && p.Name.Contains("Cleaver")).FirstOrDefault();
System.Console.WriteLine(alice);
// 2) There were six 52-year-olds on board, however, only one embarked
// from Cherbourg (C). What was his or her name? Did he or she
// survive?
List <Passenger> fiftyTwos = passengers.FindAll(p => p.Age == 52);
System.Console.WriteLine(fiftyTwos.Count());
Passenger fiftyTwoOnBoard = passengers.Where(p => p.Age == 52 && p.Embarked == 'C').FirstOrDefault();
System.Console.WriteLine(fiftyTwoOnBoard);
bool didfiftyTwoSurvive = fiftyTwoOnBoard.Survived;
System.Console.WriteLine(didfiftyTwoSurvive);
// 3a) How many men were on board?
List <Passenger> menOnBoard = passengers.FindAll(p => p.Gender == 'M' && p.Age >= 18);
System.Console.WriteLine(menOnBoard.Count());
// 3b) How many men survived?
List <Passenger> menWhoSurvived = menOnBoard.FindAll(p => p.Survived == true);
System.Console.WriteLine(menWhoSurvived.Count());
// 3c) What was the survival rate of men?
System.Console.WriteLine((double)menWhoSurvived.Count() / menOnBoard.Count());
// ToDo (Hint): Implement the getSurvivalRate method below.
// 4a) How many women were on board?
List <Passenger> womenOnBoard = passengers.FindAll(j => j.Gender == 'W' && j.Age >= 18);
System.Console.WriteLine(womenOnBoard.Count());
// 4b) How many women survived?
List <Passenger> womenWhoSurvived = womenOnBoard.FindAll(k => k.Survived == true);
System.Console.WriteLine(womenWhoSurvived.Count());
// 4c) What was the survival rate of women?
System.Console.WriteLine((double)womenWhoSurvived.Count() / womenOnBoard.Count());
// 5a) How many children were on board?
List <Passenger> childrenOnBoard = passengers.FindAll(p => p.Age < 18);
System.Console.WriteLine(childrenOnBoard.Count());
// 5b) How many children survived?
List <Passenger> childrenWhoSurvived = childrenOnBoard.FindAll(p => p.Survived == true);
System.Console.WriteLine(childrenWhoSurvived.Count());
// 5c) What was the survival rate of children?
System.Console.WriteLine((double)childrenWhoSurvived.Count() / childrenOnBoard.Count());
// 6a) Who was the youngest survivor? (name)
IEnumerable <Passenger> survivors = passengers.FindAll(p => p.Survived == true).OrderBy(p => p.Age).Where(p => p.Age != null);
Passenger youngest = survivors.First();
Console.WriteLine(youngest.Name);
// 6b) Who was the oldest casualty? (name)
IEnumerable <Passenger> casualties = passengers.FindAll(p => p.Survived == false).OrderBy(p => p.Age).Where(p => p.Age != null);
Passenger oldestCasualty = casualties.Last();
Console.WriteLine(oldestCasualty.Name);
// 7a) Who had the cheapest ticket? (name) Did they survive?
Passenger cheapestTicket = passengers.OrderBy(p => p.Fare).First();
Console.WriteLine(cheapestTicket.Name);
Console.WriteLine(cheapestTicket.Survived);
// 7b) Who had the most expensive ticket? (name) Did they survive?
Passenger expensiveTicket = passengers.OrderBy(p => p.Fare).Last();
Console.WriteLine(expensiveTicket.Name);
Console.WriteLine(expensiveTicket.Survived);
// 8a) What was the survival rate for all first class passengers?
IEnumerable <Passenger> firstClass = passengers.Where(p => p.Class == 1);
Console.WriteLine(getSurvivalRate(firstClass));
// 8b) What was the survival rate for all second class passengers?
IEnumerable <Passenger> secondClass = passengers.Where(p => p.Class == 2);
Console.WriteLine(getSurvivalRate(secondClass));
// 8c) What was the survival rate for all third class passengers?
IEnumerable <Passenger> thirdClass = passengers.Where(p => p.Class == 3);
Console.WriteLine(getSurvivalRate(thirdClass));
// 9) What was the survival rate of girls in first class with 2 or
// more of any relative?
IEnumerable <Passenger> girlsInFirstClassWithTwoOrMoreRelatives = passengers.Where(p => p.Class == 1 && p.Gender == 'W' && p.Age < 18 && p.SiblingsSpouse >= 2 && p.ParentsChildren >= 2);
Console.WriteLine(getSurvivalRate(girlsInFirstClassWithTwoOrMoreRelatives));
// 10) What was the survival rate of men in third class with no
// relatives onboard?
IEnumerable <Passenger> MenInThirdClassWithNoRelatives = passengers.Where(p => p.Class == 3 && p.Gender == 'M' && p.Age >= 18 && p.SiblingsSpouse == 0 && p.ParentsChildren == 0);
Console.WriteLine(getSurvivalRate(MenInThirdClassWithNoRelatives));
// 11) What was the survival rate of passengers who embarked from
// Southampton (S) and whose fare was over 10 pounds?
IEnumerable <Passenger> southHamptonPlusTen = passengers.Where(p => p.Embarked == 'S' && p.Fare >= 10);
Console.WriteLine(getSurvivalRate(southHamptonPlusTen));
// 12) What was the survival rate of passengers with the word "sink"
// in their name? (case insensitive)
IEnumerable <Passenger> wordSink = passengers.Where(p => p.Name.ToUpper().Contains("sink".ToUpper()));
Console.WriteLine(getSurvivalRate(southHamptonPlusTen));
// 13) What was the survival rate of passengers whose ticket number
// included the substring "13"?
IEnumerable <Passenger> passengersWithTickerNumberContainingThirteen = passengers.Where(p => p.Ticket.Contains("13"));
Console.WriteLine(getSurvivalRate(passengersWithTickerNumberContainingThirteen));
} // end Main( )
static void Main(string[] args)
{
List <Passenger> passengers = Titanic.GetPassengers("Titanic.Tsv");
// Intro: The line of code above reads in a file that contains all of
// the passengers who were on the Titanic. Feel free to look at
// the Passenger class to see which fields each Passenger
// contains. The file is read into a List of Passengers.
// ToDo: Write code using LInQ in order to find the answers to the
// following questions.
Console.WriteLine("Question 1:");
// 1) Find out whether a "Miss. Alice Cleaver" survived the accident.
var aliceCleaver = passengers.Where(p => p.Name.Contains("Alice") && p.Name.Contains("Cleaver")).FirstOrDefault();
var aliceCleaverSurvived = aliceCleaver.Survived;
if (aliceCleaverSurvived == true)
{
Console.WriteLine("Miss. Alice Cleaver survived.");
}
else
{
Console.WriteLine("Miss. Alice Cleaver did not survive.");
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 2:");
// 2) There were six 52-year-olds on board, however, only one embarked
// from Cherbourg (C). What was his or her name? Did he or she
// survive?
var fiftytwos = passengers.FindAll(p => p.Age == 52);
var c52 = fiftytwos.Where(p => p.Embarked == 'C').FirstOrDefault();
Console.WriteLine($"The 52 year old who embarked from Cherbour was: {c52.Name}");
if (c52.Survived == true)
{
Console.WriteLine("Did they survive? Yes");
}
else
{
Console.WriteLine("Did they survive? No");
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 3:");
// 3a) How many men were on board?
var totalMen = passengers.FindAll(p => p.Gender == 'M' && p.Age >= 18);
Console.WriteLine($"There were {totalMen.Count} men on board");
// 3b) How many men survived?
var survivedMen = totalMen.FindAll(p => p.Survived == true);
Console.WriteLine($"{survivedMen.Count()} men survived.");
// 3c) What was the survival rate of men?
Console.WriteLine($"The survive rate of men was: {(double)survivedMen.Count() / (double)totalMen.Count()}");
Console.WriteLine();
Console.WriteLine();
// ToDo (Hint): Implement the getSurvivalRate method below.
Console.WriteLine("Question 4:");
// 4a) How many women were on board?
Console.WriteLine("Question 4:");
List <Passenger> totalWoman = passengers.FindAll(p => p.Gender == 'F' && p.Age >= 18);
Console.WriteLine($"There were {totalWoman.Count} women on board");
// 4b) How many women survived?
var survivedWomen = totalWoman.Where(p => p.Survived == true);
Console.WriteLine($"{survivedWomen.Count()} women survived.");
// 4c) What was the survival rate of women?
Console.WriteLine($"The survive rate of women was: {getSurvivalRate(totalWoman)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 5:");
// 5a) How many children were on board?
var totalChildren = passengers.FindAll(p => p.Age <= 18);
Console.WriteLine($"There were {totalChildren.Count()} children on board.");
// 5b) How many children survived?
var survivedChildren = totalChildren.FindAll(p => p.Survived == true);
Console.WriteLine($"{survivedChildren.Count()} children survived.");
// 5c) What was the survival rate of children?
Console.WriteLine($"The survival rate of children was: {getSurvivalRate(totalChildren)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 6:");
// 6a) Who was the youngest survivor? (name)
var youngest = totalChildren.OrderBy(p => p.Age).FirstOrDefault();
Console.WriteLine($"The youngest survivor was: {youngest.Name}.");
// 6b) Who was the oldest casualty? (name)
var oldest = passengers.OrderByDescending(p => p.Age).FirstOrDefault();
Console.WriteLine($"THe oldest survivor was: {oldest.Name}.");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 7:");
// 7a) Who had the cheapest ticket? (name) Did they survive?
var cheapestTicket = passengers.OrderBy(p => p.Fare).FirstOrDefault();
Console.WriteLine($"The passenger with the cheapest ticket was: {cheapestTicket.Name}.");
if (cheapestTicket.Survived == true)
{
Console.WriteLine("Did they survive? Yes");
}
else
{
Console.WriteLine("Did they survive? No");
}
// 7b) Who had the most expensive ticket? (name) Did they survive?
var mostExpensiveTicket = passengers.OrderByDescending(p => p.Fare).FirstOrDefault();
Console.WriteLine($"The passenger with the most expensive ticket was: {mostExpensiveTicket.Name}.");
if (mostExpensiveTicket.Survived == true)
{
Console.WriteLine("Did they survive? Yes");
}
else
{
Console.WriteLine("Did they survive? No");
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 8:");
// 8a) What was the survival rate for all first class passengers?
var firstClass = passengers.FindAll(p => p.Class == 1);
Console.WriteLine($"The survival rate for all first class passengers was: {getSurvivalRate(firstClass)}");
// 8b) What was the survival rate for all second class passengers?
var secondClass = passengers.FindAll(p => p.Class == 2);
Console.WriteLine($"The survival rate for all second class passengers was: {getSurvivalRate(secondClass)}");
// 8c) What was the survival rate for all third class passengers?
var thirdClass = passengers.FindAll(p => p.Class == 3);
Console.WriteLine($"The survival rate for all third class passengers was: {getSurvivalRate(thirdClass)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 9:");
// 9) What was the survival rate of girls in first class with 2 or
// more of any relatives?
var firstClassGirlsWithRelatives = passengers.FindAll(p => p.Gender == 'F' && p.Age <= 18 && p.Class == 1 && p.ParentsChildren >= 2 && p.SiblingsSpouse >= 2);
Console.WriteLine($"The survival rate of girls in first class with 2 or more of any relatives was: {getSurvivalRate(firstClassGirlsWithRelatives)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 10:");
// 10) What was the survival rate of men in third class with no
// relatives onboard?
var thridClassMenWithoutRelatives = totalMen.FindAll(p => p.Class == 3 && p.ParentsChildren == 0 && p.SiblingsSpouse == 0);
Console.WriteLine($"The survival rate of men in third class with no relatives onboard was: {getSurvivalRate(thridClassMenWithoutRelatives)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 11:");
// 11) What was the survival rate of passengers who embarked from
// Southampton (S) and whose fare was over 10 pounds?
var southamptonPassengers = passengers.FindAll(p => p.Embarked == 'S' && p.Fare >= 10);
Console.WriteLine($"The survival rate of passengers who embarked from Southampton (S) and whose fare was over 10 pounds was: {getSurvivalRate(southamptonPassengers)}.");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 12:");
// 12) What was the survival rate of passengers with the word "sink"
// in their name? (case insensitive)
var sinkInName = passengers.FindAll(p => p.Name.Contains("Sink") || p.Name.Contains("sink"));
Console.WriteLine($"The survival rate of passengers with the word 'sink' in their name was: {getSurvivalRate(sinkInName)}.");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Question 13:");
// 13) What was the survival rate of passengers whose ticket number
// included the substring "13"?
var unluckyTicket = passengers.Where(p => p.Ticket.Contains("13"));
Console.WriteLine($"The survival rate of passengers whose ticket number included the substring '13' was: {getSurvivalRate(unluckyTicket)}");
} // end Main( )