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tf.keras.backend.in_top_k

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Returns whether the targets are in the top k predictions.

Arguments
predictions A tensor of shape (batch_size, classes) and type float32.
targets A 1D tensor of length batch_size and type int32 or int64.
k An int, number of top elements to consider.
Returns
A 1D tensor of length batch_size and type bool. output[i] is True if predictions[i, targets[i]] is within top-k values of predictions[i].

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Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/keras/backend/in_top_k