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cntk.ndcgat1

cntk.ndcgat1(
   $prediction as cntk.variable,
   $gains as cntk.variable,
   $group-id as cntk.variable,
   [$name as String]
) as cntk.function

Summary

Create an instance of the CNTK built-in operation for evaluating the NDCG at 1 metric

Parameters
$prediction
$gains
$group-id
$name The name of the function instance in the network.

Example

  var inputVariable1 = cntk.inputVariable(cntk.shape([3]), "float", fn.false(),
    fn.false(), "feature")
  var inputVariable2 = cntk.inputVariable(cntk.shape([3]), "float", fn.false(),
    fn.false(), "feature")
  cntk.ndcgat1(inputVariable1, inputVariable2, inputVariable2)
  => cntk.function(Composite LambdaRank (Input(Name(feature), Shape([3]),
  Dynamic Axes([Sequence Axis(Default Dynamic Axis), Batch Axis(Default Batch
  Axis)])), Input(Name(feature), Shape([3]), Dynamic Axes([Sequence Axis(Default
  Dynamic Axis), Batch Axis(Default Batch Axis)]))))

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