35 lines
623 B
Go
35 lines
623 B
Go
package chart
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import (
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"testing"
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"git.smarteching.com/zeni/go-chart/v2/matrix"
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"git.smarteching.com/zeni/go-chart/v2/testutil"
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)
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func TestPolynomialRegression(t *testing.T) {
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// replaced new assertions helper
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var xv []float64
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var yv []float64
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for i := 0; i < 100; i++ {
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xv = append(xv, float64(i))
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yv = append(yv, float64(i*i))
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}
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values := ContinuousSeries{
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XValues: xv,
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YValues: yv,
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}
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poly := &PolynomialRegressionSeries{
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InnerSeries: values,
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Degree: 2,
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}
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for i := 0; i < 100; i++ {
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_, y := poly.GetValues(i)
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testutil.AssertInDelta(t, float64(i*i), y, matrix.DefaultEpsilon)
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}
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}
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