func main() {
gr := new(crfpp.Group)
e := gr.ReadFile("template", "train.txt")
if e != nil {
fmt.Println(e)
return
} else {
fmt.Println("gr is ready")
}
e = gr.ProcessLearnData("model.txt", 1, 0.0001, 4, 10000)
if e != nil {
fmt.Println(e.Error())
}
}
