35 lines
596 B
Go
35 lines
596 B
Go
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package clusters
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import (
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"testing"
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)
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func TestKmeansClusterNumberMatches(t *testing.T) {
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const (
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C = 8
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)
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var (
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f = "data/bus-stops.csv"
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i = CsvImporter()
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)
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d, e := i.Import(f, 4, 5)
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if e != nil {
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t.Errorf("Error importing data: %s\n", e.Error())
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}
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c, e := KMeans(1000, C, EuclideanDistance)
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if e != nil {
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t.Errorf("Error initializing kmeans clusterer: %s\n", e.Error())
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}
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if e = c.Learn(d); e != nil {
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t.Errorf("Error learning data: %s\n", e.Error())
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}
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if len(c.Sizes()) != C {
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t.Errorf("Number of clusters does not match: %d vs %d\n", len(c.Sizes()), C)
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}
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}
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