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## org.biojava.bio.dist
Class SimpleDistributionTrainer

    java.lang.Object
      org.biojava.bio.dist.SimpleDistributionTrainer

All Implemented Interfaces:
  Serializable, DistributionTrainer

Deprecated. Distribution impls should be providing custom trainers.

    public final class SimpleDistributionTrainer

extends Object
implements DistributionTrainer, Serializable

A simple implemenation of a distribution trainer.

This requires the distribuiton being trained to have a working setWeight method that doesn't throw an UnsupportedOperationExcepiton.

Author:
  Matthew Pocock
See Also:
  Serialized Form

Constructor Summary
`SimpleDistributionTrainer(Distribution dis)` Deprecated.

Method Summary
`void` | `addCount(DistributionTrainerContext dtc, AtomicSymbol sym, double count)` Deprecated. Registers that sym was counted in this state.
`void` | `clearCounts(DistributionTrainerContext dtc)` Deprecated. Clears all of the counts to zero.
`double` | `getCount(DistributionTrainerContext dtc, AtomicSymbol sym)` Deprecated. Get the current count for this state.
`void` | `train(DistributionTrainerContext dtc, double weight)` Deprecated. Trains the Distribution, given a null model.

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

Constructor Detail

### SimpleDistributionTrainer

    public SimpleDistributionTrainer(Distribution dis)
                              throws IllegalAlphabetException

  Deprecated.
  Throws:
    `IllegalAlphabetException`

Method Detail

### addCount

    public void addCount(DistributionTrainerContext dtc,
                         AtomicSymbol sym,
                         double count)
                  throws IllegalSymbolException

  Deprecated.
  Description copied from interface: `DistributionTrainer`

  Registers that sym was counted in this state.

  This method may be called multiple times with the same symbol. In this case, the times should be summed.

  Specified by:
    `addCount` in interface `DistributionTrainer`
  Parameters:
    `dtc` - the DistributionTrainerContext within which the count was added
    `sym` - the Symbol seen
    `count` - the number of times to add
  Throws:
    `IllegalSymbolException` - if sym is not recognised

### getCount

    public double getCount(DistributionTrainerContext dtc,
                           AtomicSymbol sym)
                    throws IllegalSymbolException

  Deprecated.
  Description copied from interface: `DistributionTrainer`

  Get the current count for this state.

  This method may be called multiple times with the same symbol. Each time it should return the agregate of the counts added with addCount since the last invocation of clearCounts.

  Specified by:
    `getCount` in interface `DistributionTrainer`
  Parameters:
    `dtc` - the DistributionTrainerContext within which the count was added
    `sym` - the Symbol seen
  Returns:
    the agregate of the counts
  Throws:
    `IllegalSymbolException` - if sym is not recognised

### train

    public void train(DistributionTrainerContext dtc,
                      double weight)
               throws ChangeVetoException

  Deprecated.
  Description copied from interface: `DistributionTrainer`

  Trains the Distribution, given a null model.

  This will use the information collected with multiple addCount calls, and the null model to generate the new weights.

  This method should not modify the underlying counts.

  Specified by:
    `train` in interface `DistributionTrainer`
  Parameters:
    `dtc` - the context to use
    `weight` - how many lots of the null model to add
  Throws:
    `ChangeVetoException` - if the distribution could not have its weights modified

### clearCounts

    public void clearCounts(DistributionTrainerContext dtc)

  Deprecated.
  Description copied from interface: `DistributionTrainer`
  Clears all of the counts to zero.

  Specified by:
    `clearCounts` in interface `DistributionTrainer`

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