targets
are in the top k
predictions
.Returns whether the targets
are in the top k
predictions
.
k_in_top_k(predictions, targets, k)
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]]
.
A tensor of shape (batch_size, classes)
and type
float32
.
A 1D tensor of length batch_size
and type int32
or
int64
.
An int
, number of top elements to consider.
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://tensorflow.rstudio.com/reference/keras/index.html#backend.