public void ReviewersThatHaveReviewedUniqueTitlesShouldNotBeSimilar()
{
var r1 = ReviewerBuilder.BuildReviewer1();
var r2 = ReviewerBuilder.BuildAReviewerThatReviewedSomethingUnique();
pearsonCorrelationScore = new PearsonCorrelation(r1, r2);
Assert.AreEqual(0, pearsonCorrelationScore.Score());
}
private static void RunPearsonCorrelationWithLowScore()
{
var r1 = ReviewerBuilder.BuildReviewer1();
var r2 = ReviewerBuilder.BuildReviewer2();
var pearsonCorrelation = new PearsonCorrelation(r1, r2);
Console.WriteLine("The Pearson Correlation between {0} and {1} is: {2}", r1.Name, r2.Name, pearsonCorrelation.Score());
}
public void TwoReviewersWithSomeSimilarReviewsShouldHaveTheSameScoreRegardlessOfOrder()
{
pearsonCorrelationScore = new PearsonCorrelation(ReviewerBuilder.BuildReviewer7(), ReviewerBuilder.BuildReviewer6());
Assert.AreEqual(0.396, pearsonCorrelationScore.Score());
}
public void ReviewersThatHaveTheSameTasteShouldHaveAPerfectScore()
{
var r1 = ReviewerBuilder.BuildReviewer1();
pearsonCorrelationScore = new PearsonCorrelation(r1, r1);
Assert.AreEqual(1.0, pearsonCorrelationScore.Score());
}