func normalizeData(n *input.Normalizer, inFilename string, outFilename string) error {
outF, err := os.Create(outFilename)
if err != nil {
return err
}
defer outF.Close()
trainDataWriter := input.NewTrainDataWriter(outF)
return processData(inFilename, func(y int, x input.InputVector) error {
n.Normalize(x)
return trainDataWriter.Write(y, x)
})
}
func ReadNormalizerOrExit(filename string) *input.Normalizer {
f, err := os.Open(filename)
ExitIfError("Cannot read normalizer parameter file: ", err)
defer f.Close()
data, err := ioutil.ReadAll(f)
ExitIfError("Cannot read normalizer parameter file: ", err)
normalizer := new(input.Normalizer)
err = normalizer.GobDecode(data)
ExitIfError("Cannot parse normalizer parameters: ", err)
return normalizer
}