PA Class Reference

Passive-Aggressive Classifier. More...

#include <pa.h>

Inheritance diagram for PA:

List of all members.

Public Member Functions
void	train (Cases &cases, int T)
Y	predict (X &x)
virtual size_t	size ()
virtual void	save (std::ostream &os)=0
	Dump parameters to stream.
Static Public Member Functions
static void	rand_permutation (std::vector< int > &OUT)
Public Attributes
unsigned	k
	k = |Y|
unsigned	d
	d = |X|
int	t
	t = current number of iterations
std::vector< std::string >	labels
Tanl::Text::WordIndex	predIndex
Float	margin
	Margin.
Static Public Attributes
static bool	verbose = false
	Control output.
static float	updatePercent = 0.5
Protected Member Functions
virtual void	update (Y y, Float tau, X &x)=0
virtual Float	score (unsigned i, X &v)=0
	Similarity score.
	PA (int k=0, int d=0)
virtual bool	load (std::istream &is)=0
	Load parameters from stream.

---

Detailed Description

Passive-Aggressive Classifier.

See also:

http://jmlr.csail.mit.edu/papers/volume7/crammer06a/crammer06a.pdf K. Crammer, O. Dekel, J. Keshet, S. Shalev-Shwartz. Online Passive-Aggressive Algorithms. Journ. of Machine Learning Research 7, 2006, 551-585.

---

Member Function Documentation

virtual bool PA::load

(

std::istream &

is

)

[protected, pure virtual]

Load parameters from stream.

Returns:

true if successful

Implemented in PAS, PASV, and PAD.

virtual size_t PA::size

(

)

[inline, virtual]

Returns:

number of features

Reimplemented in PAS, and PASV.

---

The documentation for this class was generated from the following files:

• parse/desr/src/pa.h
• parse/desr/src/pa.cpp