func (handle *Handle) LearnString(exStr string) float64 {
ex := ReadExample(handle, exStr)
C.VW_Learn(handle.c_handle, ex.c_example)
pp := float64(C.VW_GetPartialPrediction(ex.c_example))
ex.FinishExample(handle)
return pp
}
func (example *Example) GetPartialPrediction() float64 {
return float64(C.VW_GetPartialPrediction(example.c_example))
}