java.lang.Object
- org.nd4j.autodiff.listeners.records.History

```
public class History
extends Object
```

Constructor Summary

Constructors
Constructor	Description
`History(List<EvaluationRecord> training, List<EvaluationRecord> validation, LossCurve loss, long trainingTimeMillis, List<Long> validationTimesMillis)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`EvaluationRecord`	`finalTrainingEvaluations()`	Gets the training evaluations ran during the last epoch
`EvaluationRecord`	`finalValidationEvaluations()`	Gets the validation evaluations ran during the last epoch
`LossCurve`	`lossCurve()`	Get the loss curve
`int`	`trainingEpochs()`	Get the number of epochs trained for
`List<EvaluationRecord>`	`trainingEval()`	Get the training evaluations
`List<IEvaluation>`	`trainingEval(String param)`	Get the results of a training evaluation on a given parameter Only works if there is only one evaluation for param.
`List<IEvaluation>`	`trainingEval(String param, int index)`	Get the results of a training evaluation on a given parameter at a given index Note that it returns all recorded evaluations.
`List<Double>`	`trainingEval(String param, int index, IMetric metric)`	Get the results of a training evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations.
`List<Double>`	`trainingEval(String param, IMetric metric)`	Get the results of a training evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
`List<IEvaluation>`	`trainingEval(SDVariable param)`	Get the results of a training evaluation on a given parameter Only works if there is only one evaluation for param.
`List<IEvaluation>`	`trainingEval(SDVariable param, int index)`	Get the results of a training evaluation on a given parameter at a given index Note that it returns all recorded evaluations.
`List<Double>`	`trainingEval(SDVariable param, int index, IMetric metric)`	Get the results of a training evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations.
`List<Double>`	`trainingEval(SDVariable param, IMetric metric)`	Get the results of a training evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
`List<Double>`	`trainingEval(IMetric metric)`	Get the results of a training evaluation for a given metric Only works if there is only one evaluation with the given metric
`EvaluationRecord`	`trainingEvaluations(int epoch)`	Gets the evaluation record for a given epoch.
`long`	`trainingTimeMillis()`	Get the total training time, in milliseconds
`int`	`validationEpochs()`	Get the number of epochs validation was ran on
`List<EvaluationRecord>`	`validationEval()`	Get the validation evaluations
`List<IEvaluation>`	`validationEval(String param)`	Get the results of a validation evaluation on a given parameter Only works if there is only one evaluation for param.
`List<IEvaluation>`	`validationEval(String param, int index)`	Get the results of a validation evaluation on a given parameter at a given index Note that it returns all recorded evaluations.
`List<Double>`	`validationEval(String param, int index, IMetric metric)`	Get the results of a validation evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations.
`List<Double>`	`validationEval(String param, IMetric metric)`	Get the results of a validation evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
`List<IEvaluation>`	`validationEval(SDVariable param)`	Get the results of a validation evaluation on a given parameter Only works if there is only one evaluation for param.
`List<IEvaluation>`	`validationEval(SDVariable param, int index)`	Get the results of a validation evaluation on a given parameter at a given index Note that it returns all recorded evaluations.
`List<Double>`	`validationEval(SDVariable param, int index, IMetric metric)`	Get the results of a validation evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations.
`List<Double>`	`validationEval(SDVariable param, IMetric metric)`	Get the results of a validation evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
`List<Double>`	`validationEval(IMetric metric)`	Get the results of a validation evaluation for a given metric Only works if there is only one evaluation with the given metric
`EvaluationRecord`	`validationEvaluations(int epoch)`	Gets the evaluation record for a given epoch.
`List<Long>`	`validationTimesMillis()`	Get the total validation time, in milliseconds

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - History
```
public History(List<EvaluationRecord> training,
               List<EvaluationRecord> validation,
               LossCurve loss,
               long trainingTimeMillis,
               List<Long> validationTimesMillis)
```
- Method Detail
  - trainingEval
```
public List<EvaluationRecord> trainingEval()
```
    Get the training evaluations
  - validationEval
```
public List<EvaluationRecord> validationEval()
```
    Get the validation evaluations
  - lossCurve
```
public LossCurve lossCurve()
```
    Get the loss curve
  - trainingTimeMillis
```
public long trainingTimeMillis()
```
    Get the total training time, in milliseconds
  - validationTimesMillis
```
public List<Long> validationTimesMillis()
```
    Get the total validation time, in milliseconds
  - trainingEpochs
```
public int trainingEpochs()
```
    Get the number of epochs trained for
  - validationEpochs
```
public int validationEpochs()
```
    Get the number of epochs validation was ran on
  - trainingEval
```
public List<Double> trainingEval(String param,
                                 IMetric metric)
```
    Get the results of a training evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
  - trainingEval
```
public List<Double> trainingEval(SDVariable param,
                                 IMetric metric)
```
    Get the results of a training evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
  - trainingEval
```
public List<Double> trainingEval(String param,
                                 int index,
                                 IMetric metric)
```
    Get the results of a training evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - trainingEval
```
public List<Double> trainingEval(SDVariable param,
                                 int index,
                                 IMetric metric)
```
    Get the results of a training evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - trainingEval
```
public List<Double> trainingEval(IMetric metric)
```
    Get the results of a training evaluation for a given metric Only works if there is only one evaluation with the given metric
  - trainingEval
```
public List<IEvaluation> trainingEval(String param)
```
    Get the results of a training evaluation on a given parameter Only works if there is only one evaluation for param.
  - trainingEval
```
public List<IEvaluation> trainingEval(SDVariable param)
```
    Get the results of a training evaluation on a given parameter Only works if there is only one evaluation for param.
  - trainingEval
```
public List<IEvaluation> trainingEval(String param,
                                      int index)
```
    Get the results of a training evaluation on a given parameter at a given index Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - trainingEval
```
public List<IEvaluation> trainingEval(SDVariable param,
                                      int index)
```
    Get the results of a training evaluation on a given parameter at a given index Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - validationEval
```
public List<Double> validationEval(String param,
                                   IMetric metric)
```
    Get the results of a validation evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
  - validationEval
```
public List<Double> validationEval(SDVariable param,
                                   IMetric metric)
```
    Get the results of a validation evaluation on a given parameter for a given metric Only works if there is only one evaluation with the given metric for param
  - validationEval
```
public List<Double> validationEval(String param,
                                   int index,
                                   IMetric metric)
```
    Get the results of a validation evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - validationEval
```
public List<Double> validationEval(SDVariable param,
                                   int index,
                                   IMetric metric)
```
    Get the results of a validation evaluation on a given parameter at a given index, for a given metric Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - validationEval
```
public List<Double> validationEval(IMetric metric)
```
    Get the results of a validation evaluation for a given metric Only works if there is only one evaluation with the given metric
  - validationEval
```
public List<IEvaluation> validationEval(String param)
```
    Get the results of a validation evaluation on a given parameter Only works if there is only one evaluation for param.
  - validationEval
```
public List<IEvaluation> validationEval(SDVariable param)
```
    Get the results of a validation evaluation on a given parameter Only works if there is only one evaluation for param.
  - validationEval
```
public List<IEvaluation> validationEval(String param,
                                        int index)
```
    Get the results of a validation evaluation on a given parameter at a given index Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - validationEval
```
public List<IEvaluation> validationEval(SDVariable param,
                                        int index)
```
    Get the results of a validation evaluation on a given parameter at a given index Note that it returns all recorded evaluations. Index determines the evaluation used not the epoch's results to return.
  - finalTrainingEvaluations
```
public EvaluationRecord finalTrainingEvaluations()
```
    Gets the training evaluations ran during the last epoch
  - finalValidationEvaluations
```
public EvaluationRecord finalValidationEvaluations()
```
    Gets the validation evaluations ran during the last epoch
  - trainingEvaluations
```
public EvaluationRecord trainingEvaluations(int epoch)
```
    Gets the evaluation record for a given epoch.
    
    Parameters:
    
    epoch - The epoch to get results for. If negative, returns results for the epoch that many epochs from the end.
  - validationEvaluations
```
public EvaluationRecord validationEvaluations(int epoch)
```
    Gets the evaluation record for a given epoch.
    
    Parameters:
    
    epoch - The epoch to get results for. If negative, returns results for the epoch that many epochs from the end.

Class History

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

History

Method Detail

trainingEval

validationEval

lossCurve

trainingTimeMillis

validationTimesMillis

trainingEpochs

validationEpochs

trainingEval

trainingEval

trainingEval

trainingEval

trainingEval

trainingEval

trainingEval

trainingEval

trainingEval

validationEval

validationEval

validationEval

validationEval

validationEval

validationEval

validationEval

validationEval

validationEval

finalTrainingEvaluations

finalValidationEvaluations

trainingEvaluations

validationEvaluations