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fann_scale_train_data

(PECL fann >= 1.0.0)

fann_scale_train_data在训练数据中缩放输入和输出到指定的范围

说明

fann_scale_train_data(resource $train_data, float $new_min, float $new_max): bool

在训练数据中缩放输入和输出到指定的范围。

参数

train_data

神经网络训练数据 资源

new_min

在训练数据中缩放输入和输出后新的最小值。

new_max

在训练数据中缩放输入和输出后新的最大值。

返回值

成功时返回 true,其它情况下返回 false

参见

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User Contributed Notes 1 note

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geekgirl dot joy at gmail dot com
2 years ago
<?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 1
fann_scale_train_data($train_data, -1, 1);

// Save the new scaled traning data as a file
fann_save_train($train_data, $path . 'ScaledTraining.data');
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