Explain with an example how to do feature preprocessing using keras?
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Explain with an example how to do feature preprocessing using keras?

Explain with an example how to do feature preprocessing using keras?

This recipe explains with an example how to do feature preprocessing using keras

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Recipe Objective

With an example, elaborate how to do feature preprocessing using keras

The Keras preprocessing layers API gives an option to developers to build Keras-native input processing pipelines. These pipelines can be used as independent preprocessing code in non-Keras workflows, they can be combined directly with Keras models.

Step 1- Importing Library

import numpy as np import tensorflow as tf from tensorflow.keras.layers.experimental import preprocessing

Step 2- Creating a 2d array.

Preprocessing a 2D array.

X = np.array([[4,8,10], [40,100, 120], [200, 300, 1000],[1000,5000,10000]]) layer = preprocessing.Normalization() layer.adapt(data) normalized_X = layer(X)

Step 3- Printing the mean and Standard Deviation of Data.

print("Features mean: %.2f" % (normalized_X.numpy().mean())) print("Features std: %.2f" % (normalized_X.numpy().std()))

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