December 2018
Beginner to intermediate
684 pages
21h 9m
English
Content preview from Hands-On Machine Learning for Algorithmic Trading
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Noise-contrastive estimation
Keras includes a make_sampling_table method that allows us to create a training set as pairs of context and noise words with corresponding labels, sampled according to their corpus frequencies.
The result is 27 million positive and negative examples of context and target pairs.