Returns whether the targets are in the top k predictions.
Returns whether the targets are in the top k predictions.
k_in_top_k(predictions, targets, k)
predictions |
A tensor of shape |
targets |
A 1D tensor of length |
k |
An |
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]].
This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.).
You can see a list of all available backend functions here: https://keras.rstudio.com/articles/backend.html#backend-functions.
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