39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package main
|
|
|
|
//go:generate go run main.go
|
|
|
|
import (
|
|
"os"
|
|
|
|
chart "github.com/wcharczuk/go-chart/v2"
|
|
)
|
|
|
|
func main() {
|
|
|
|
/*
|
|
In this example we add a new type of series, a `PolynomialRegressionSeries` that takes another series as a required argument.
|
|
InnerSeries only needs to implement `ValuesProvider`, so really you could chain `PolynomialRegressionSeries` together if you wanted.
|
|
*/
|
|
|
|
mainSeries := chart.ContinuousSeries{
|
|
Name: "A test series",
|
|
XValues: chart.Seq{Sequence: chart.NewLinearSequence().WithStart(1.0).WithEnd(100.0)}.Values(), //generates a []float64 from 1.0 to 100.0 in 1.0 step increments, or 100 elements.
|
|
YValues: chart.Seq{Sequence: chart.NewRandomSequence().WithLen(100).WithMin(0).WithMax(100)}.Values(), //generates a []float64 randomly from 0 to 100 with 100 elements.
|
|
}
|
|
|
|
polyRegSeries := &chart.PolynomialRegressionSeries{
|
|
Degree: 3,
|
|
InnerSeries: mainSeries,
|
|
}
|
|
|
|
graph := chart.Chart{
|
|
Series: []chart.Series{
|
|
mainSeries,
|
|
polyRegSeries,
|
|
},
|
|
}
|
|
|
|
f, _ := os.Create("output.png")
|
|
defer f.Close()
|
|
graph.Render(chart.PNG, f)
|
|
}
|