(PECL fann >= 1.0.0)
fann_scale_train_data — Scales the inputs and outputs in the training data to the specified range
Scales the inputs and outputs in the training data to the specified range.
train_dataRessource für Trainingsdaten eines neuralen Netzwerks.
new_minNew minimum after scaling inputs and outputs in training data.
new_maxNew maximum after scaling inputs and outputs in training data.
<?php// How to scale an existing unscaled training file and save it$path = 'TrainingData' . DIRECTORY_SEPARATOR;// Read raw (un-scaled) training data from file$train_data = fann_read_train_from_file($path . "Training.data");// Scale to a range of -1 to 1fann_scale_train_data($train_data, -1, 1);// Save the new scaled traning data as a filefann_save_train($train_data, $path . 'ScaledTraining.data');