MXNet.NN.EvalMetric

Documentation

data Metric dytpe method

Metric data

Constructors

Metric

Fields

• _metric_name :: String
• _metric_labelname :: [String]
• _metric_instance :: IORef Int
• _metric_sum :: IORef dytpe

metric_sum :: forall dytpe method dytpe method. Lens (Metric dytpe method) (Metric dytpe method) (IORef dytpe) (IORef dytpe)

metric_name :: forall dytpe method method. Lens (Metric dytpe method) (Metric dytpe method) String String

metric_labelname :: forall dytpe method method. Lens (Metric dytpe method) (Metric dytpe method) [String] [String]

metric_instance :: forall dytpe method method. Lens (Metric dytpe method) (Metric dytpe method) (IORef Int) (IORef Int)

newMetric :: (DType dtype, MonadIO m) => method -> String -> [String] -> m (Metric dtype method)

create a new metric data

resetMetric :: (DType dtype, MonadIO m) => Metric dtype method -> m ()

reset all information

getMetric :: (DType dtype, MonadIO m) => Metric dtype method -> m Float

get the metric

formatMetric :: (DType dtype, MonadIO m) => Metric dtype method -> m String

format the metric as string

class EvalMetricMethod method where

Abstract Evaluation type class

Minimal complete definition

evaluate

Methods

evaluate :: DType dtype => Metric dtype method -> NDArray dtype -> NDArray dtype -> IO ()

Instances

EvalMetricMethod CrossEntropy

Methods

evaluate :: DType dtype => Metric dtype CrossEntropy -> NDArray dtype -> NDArray dtype -> IO ()

data CrossEntropy

Basic evluation - cross entropy

Constructors

CrossEntropy

Instances

EvalMetricMethod CrossEntropy

Methods

evaluate :: DType dtype => Metric dtype CrossEntropy -> NDArray dtype -> NDArray dtype -> IO ()

data EvalMetricExc

Possible exceptions in evaluation.

Constructors

InvalidInput

Instances

Show EvalMetricExc

Methods

showsPrec :: Int -> EvalMetricExc -> ShowS

show :: EvalMetricExc -> String

showList :: [EvalMetricExc] -> ShowS

Exception EvalMetricExc

Methods

toException :: EvalMetricExc -> SomeException

fromException :: SomeException -> Maybe EvalMetricExc

displayException :: EvalMetricExc -> String