public void testFullCorrelation2()
{
IDataModel dataModel = getDataModel(
new long[] {1, 2},
new Double?[][] {
new double?[] {1.0, 2.0, 3.0},
new double?[] {4.0, 5.0, 6.0},
});
double correlation = new SpearmanCorrelationSimilarity(dataModel).UserSimilarity(1, 2);
assertCorrelationEquals(1.0, correlation);
}
public void testSimple()
{
IDataModel dataModel = getDataModel(
new long[] { 1, 2 },
new Double?[][] {
new double?[] { 1.0, 2.0, 3.0 },
new double?[] { 2.0, 3.0, 1.0 },
});
double correlation = new SpearmanCorrelationSimilarity(dataModel).UserSimilarity(1, 2);
assertCorrelationEquals(-0.5, correlation);
}
public void testFullCorrelation2()
{
IDataModel dataModel = getDataModel(
new long[] { 1, 2 },
new Double?[][] {
new double?[] { 1.0, 2.0, 3.0 },
new double?[] { 4.0, 5.0, 6.0 },
});
double correlation = new SpearmanCorrelationSimilarity(dataModel).UserSimilarity(1, 2);
assertCorrelationEquals(1.0, correlation);
}
public void testSimple()
{
IDataModel dataModel = getDataModel(
new long[] {1, 2},
new Double?[][] {
new double?[]{1.0, 2.0, 3.0},
new double?[]{2.0, 3.0, 1.0},
});
double correlation = new SpearmanCorrelationSimilarity(dataModel).UserSimilarity(1, 2);
assertCorrelationEquals(-0.5, correlation);
}