public void AverageAndStandardDeviationWithMissingMeasures()
{
var observation1 = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var observation2 = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Precipitations(18.0));
var observation3 = new StatsCollection(
WeatherStat.Pressure(1020.0f),
WeatherStat.Humidity(55.0));
var agregate = StatsCollection.Agregate(observation1, observation2, observation3);
Assert.AreEqual(agregate.Temperature, 20.0);
Assert.AreEqual(agregate.TemperatureStandardDeviation, 1.0);
Assert.AreEqual(agregate.Humidity, 57);
Assert.AreEqual(agregate.HumidityStandardDeviation, 2.0);
Assert.AreEqual(agregate.Precipitations, 18.0);
Assert.AreEqual(agregate.PrecipitationsStandardDeviation, 0.0);
Assert.AreEqual(agregate.Pressure, 1020.0f);
Assert.AreEqual(agregate.PressureStandardDeviation, 0.0f);
}
public void AverageAndDeviationOfAbsentMeasure()
{
var observation1 = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var observation2 = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0));
var agregate = StatsCollection.Agregate(observation1, observation2);
Assert.AreEqual(agregate.Precipitations, null);
Assert.AreEqual(agregate.PrecipitationsStandardDeviation, null);
}
public void AverageOfAverages()
{
var observation1 = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0),
WeatherStat.Precipitations(0.0));
var observation2 = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0),
WeatherStat.Precipitations(15.0));
var observation3 = new StatsCollection(
WeatherStat.Temperature(20.0),
WeatherStat.Humidity(67.0),
WeatherStat.Precipitations(45.0));
var average1 = StatsCollection.Agregate(StatsCollection.Agregate(observation1, observation2), observation3);
var average2 = StatsCollection.Agregate(observation1, StatsCollection.Agregate(observation2, observation3));
Assert.AreEqual(average1, average2);
}
public void AverageOfSeveralObservations()
{
var observation1 = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0),
WeatherStat.Precipitations(0.0));
var observation2 = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0),
WeatherStat.Precipitations(15.0));
var observation3 = new StatsCollection(
WeatherStat.Temperature(20.0),
WeatherStat.Humidity(67.0),
WeatherStat.Precipitations(45.0));
var average = StatsCollection.Agregate(observation1, observation2, observation3);
Assert.AreEqual(average.Temperature.Value, 20.0);
Assert.AreEqual(average.Humidity.Value, 65.0);
Assert.AreEqual(average.Precipitations.Value, 20.0);
}
public void StandardDeviationOfTwoObservations()
{
var observation1 = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var observation2 = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0));
var agregate = StatsCollection.Agregate(observation1, observation2);
Assert.AreEqual(agregate.TemperatureStandardDeviation, 1.0);
Assert.AreEqual(agregate.HumidityStandardDeviation, 5.0);
}
public void StandardDeviationOfSingleObservationAgregate()
{
var observation = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var agregate = StatsCollection.Agregate(observation);
Assert.AreEqual(agregate.TemperatureStandardDeviation, 0.0);
}
public void SingleObservationIsEqualToItsAverage()
{
var observation = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var average = StatsCollection.Agregate(observation);
Assert.AreEqual(observation, average);
}
public void EquivalentAverages()
{
var lowObservation = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var highObservation = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0));
var averageObservation = new StatsCollection(
WeatherStat.Temperature(20.0),
WeatherStat.Humidity(64.0));
var average1 = StatsCollection.Agregate(lowObservation, highObservation);
var average2 = StatsCollection.Agregate(averageObservation, averageObservation);
Assert.AreEqual(average1, average2);
}
public void ConstructionTraceOfTwoObservations()
{
var observation1 = new StatsCollection(WeatherStat.Temperature(19.0));
var observation2 = new StatsCollection(WeatherStat.Temperature(21.0));
var agregate = StatsCollection.Agregate(observation1, observation2);
Assert.AreEqual("(Temperature: 19 + Temperature: 21)", agregate.TemperatureConstructionTrace);
}
public void ConstructionTraceOfSingleObservation()
{
var observation = new StatsCollection(
WeatherStat.Temperature(19.0));
Assert.AreEqual("Temperature: 19", observation.TemperatureConstructionTrace);
}
public void ConstructionTraceOfAgregatesOfAgregates()
{
var observation1 = new StatsCollection(WeatherStat.Temperature(19.0));
var observation2 = new StatsCollection(WeatherStat.Temperature(21.0));
var observation3 = new StatsCollection(WeatherStat.Temperature(23.0));
var observation4 = new StatsCollection(WeatherStat.Temperature(25.0));
var agregateLeft = StatsCollection.Agregate(observation1, observation2);
var agregateRight = StatsCollection.Agregate(observation3, observation4);
var agregate = StatsCollection.Agregate(agregateLeft, agregateRight);
Assert.AreEqual(
"((Temperature: 19 + Temperature: 21) + (Temperature: 23 + Temperature: 25))",
agregate.TemperatureConstructionTrace);
}
public void AverageOfTwoEqualObservations()
{
var observation = new StatsCollection(
WeatherStat.Temperature(20.0),
WeatherStat.Humidity(64.0));
var average = StatsCollection.Agregate(observation, observation);
Assert.AreEqual(average.Temperature.Value, 20.0);
Assert.AreEqual(average.Humidity.Value, 64.0);
}
public void AverageOfTwoDifferentObservations()
{
var lowObservation = new StatsCollection(
WeatherStat.Temperature(19.0),
WeatherStat.Humidity(59.0));
var highObservation = new StatsCollection(
WeatherStat.Temperature(21.0),
WeatherStat.Humidity(69.0));
var average = StatsCollection.Agregate(lowObservation, highObservation);
Assert.AreEqual(average.Temperature.Value, 20.0);
Assert.AreEqual(average.Humidity.Value, 64.0);
}
