TokenSequenceRemoveNonAlpha (Mallet 2 API)

java.lang.Object
- cc.mallet.pipe.Pipe
- - cc.mallet.pipe.TokenSequenceRemoveNonAlpha

All Implemented Interfaces:

AlphabetCarrying, java.io.Serializable
```
public class TokenSequenceRemoveNonAlpha
extends Pipe
```
Remove tokens that contain non-alphabetic characters. This class is used in conjunction wtih CharSequenceLexer.LEX_NON_WHITESPACE_CLASSES and FeatureSequenceWithBigrams, which in turn is used by TopicalNGrams.

Author:

Andrew McCallum

See Also:

Serialized Form

- Constructor Summary
  
  Constructors
  Constructor Description
  
  TokenSequenceRemoveNonAlpha()
  
  TokenSequenceRemoveNonAlpha(boolean markDeletions)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Instance pipe(Instance carrier)
  Really this should be 'protected', but isn't for historical reasons.
  - Methods inherited from class cc.mallet.pipe.Pipe
    alphabetsMatch, getAlphabet, getAlphabets, getDataAlphabet, getInstanceId, getTargetAlphabet, instanceFrom, instancesFrom, instancesFrom, isDataAlphabetSet, isTargetProcessing, newIteratorFrom, preceedingPipeDataAlphabetNotification, preceedingPipeTargetAlphabetNotification, precondition, readResolve, setDataAlphabet, setOrCheckDataAlphabet, setOrCheckTargetAlphabet, setTargetAlphabet, setTargetProcessing
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TokenSequenceRemoveNonAlpha
```
public TokenSequenceRemoveNonAlpha(boolean markDeletions)
```
  - TokenSequenceRemoveNonAlpha
```
public TokenSequenceRemoveNonAlpha()
```
- Method Detail
  - pipe
```
public Instance pipe(Instance carrier)
```
    Description copied from class: Pipe
    
    Really this should be 'protected', but isn't for historical reasons.
    
    Overrides:
    
    pipe in class Pipe