60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package object
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/danaugrs/go-tsne/tsne"
|
|
"gonum.org/v1/gonum/mat"
|
|
)
|
|
|
|
func testTsne() {
|
|
b := mat.NewDense(5, 3, []float64{
|
|
0.1, 0.1, 0.1,
|
|
0.7, 0.7, 0.7,
|
|
0.1, 0.7, 0.5,
|
|
0.7, 0.1, 0.2,
|
|
0.1, 0.7, 0.5,
|
|
})
|
|
|
|
t := tsne.NewTSNE(2, 300, 100, 300, true)
|
|
|
|
Y := t.EmbedData(b, func(iter int, divergence float64, embedding mat.Matrix) bool {
|
|
fmt.Printf("Iteration %d: divergence is %v\n", iter, divergence)
|
|
return false
|
|
})
|
|
|
|
println(Y)
|
|
}
|
|
|
|
func (vectorset *Vectorset) DoTsne(dimension int) {
|
|
floatArray := []float64{}
|
|
for _, vector := range vectorset.AllVectors {
|
|
floatArray = append(floatArray, vector.Data...)
|
|
}
|
|
|
|
X := mat.NewDense(len(vectorset.AllVectors), vectorset.Dimension, floatArray)
|
|
|
|
t := tsne.NewTSNE(dimension, 300, 100, 300, true)
|
|
|
|
Y := t.EmbedData(X, func(iter int, divergence float64, embedding mat.Matrix) bool {
|
|
fmt.Printf("Iteration %d: divergence is %v\n", iter, divergence)
|
|
return false
|
|
})
|
|
|
|
rowCount, columnCount := Y.Dims()
|
|
if rowCount != len(vectorset.AllVectors) {
|
|
panic("rowCount != len(vectorset.AllVectors)")
|
|
}
|
|
if columnCount != dimension {
|
|
panic("columnCount != dimension")
|
|
}
|
|
|
|
for i, vector := range vectorset.AllVectors {
|
|
arr := []float64{}
|
|
for j := 0; j < dimension; j++ {
|
|
arr = append(arr, Y.At(i, j))
|
|
}
|
|
vector.Data = arr
|
|
}
|
|
}
|