//Convert a single instance over
func (as *AttributeSelection) convertInstance(inst data.Instance) data.Instance {
newVasl := make([]float64, 0, len(as.output.Attributes()))
for i, current := range as.selectedAttributes {
fmt.Println(current, i, inst.RealValues())
newVasl = append(newVasl, inst.Value(current))
//newVasl[i] = inst.Value(current)
//fmt.Println(newVasl[i], "newVasl[i]")
}
fmt.Println("----------------------------------------------")
newInst := data.NewInstance()
// newInst.SetNumAttributes(len(newVasl))
values_ := make([]float64, len(newVasl))
indices_ := make([]int, len(newVasl))
vals := 0
for i := 0; i < len(newVasl); i++ {
if newVasl[i] != 0 {
values_[vals] = newVasl[i]
indices_[vals] = i
vals++
}
}
values := make([]float64, vals)
indices := make([]int, vals)
copy(values, values_)
copy(indices, indices_)
// fmt.Println(values, "values")
// fmt.Println(indices, "indices")
for k, i := range indices {
if as.output.Attribute(i).IsNominal() {
newInst.AddValues(as.output.Attribute(i).Values()[int(values[k])])
} else {
newInst.AddValues(as.output.Attribute(i).Name())
}
}
newInst.SetIndices(indices)
newInst.SetRealValues(values)
newInst.SetWeight(inst.Weight())
return newInst
}
