no_label Namespace Reference

Typedefs
typedef char	no_label

Functions
char *	bufread_no_label (shared_data *, label_data *, char *c)
size_t	read_cached_no_label (shared_data *, void *, io_buf &)
float	get_weight (void *)
char *	bufcache_no_label (label_data *, char *c)
void	cache_no_label (void *, io_buf &)
void	default_no_label (void *)
bool	test_label (void *)
void	delete_no_label (void *)
void	parse_no_label (parser *, shared_data *, void *, v_array< substring > &words)
void	print_no_label_update (vw &all, example &ec)
void	output_and_account_no_label_example (vw &all, example &ec)
void	return_no_label_example (vw &all, void *, example &ec)

Variables
label_parser	no_label_parser

Typedef Documentation

no_label

typedef char no_label::no_label

Definition at line 14 of file no_label.h.

Function Documentation

bufcache_no_label()

char* no_label::bufcache_no_label	(	label_data *	,
		char *	c
	)

Definition at line 18 of file no_label.cc.

References c.

{ return c; }

bufread_no_label()

char* no_label::bufread_no_label	(	shared_data *	,
		label_data *	,
		char *	c
	)

Definition at line 12 of file no_label.cc.

References c.

{ return c; }

cache_no_label()

void no_label::cache_no_label	(	void *	,
		io_buf &
	)

Definition at line 20 of file no_label.cc.

{}

default_no_label()

void no_label::default_no_label

(

void *

)

Definition at line 22 of file no_label.cc.

{}

delete_no_label()

void no_label::delete_no_label

(

void *

)

Definition at line 26 of file no_label.cc.

{}

get_weight()

float no_label::get_weight

(

void *

)

Definition at line 16 of file no_label.cc.

{ return 1.; }

output_and_account_no_label_example()

void no_label::output_and_account_no_label_example	(	vw &	all,
		example &	ec
	)

Definition at line 54 of file no_label.cc.

References f, vw::final_prediction_sink, example::loss, example::num_features, example::partial_prediction, example::pred, vw::print, print_no_label_update(), vw::raw_prediction, polyprediction::scalar, vw::sd, v_array< T >::size(), example::tag, example::test_only, shared_data::update(), and example::weight.

{
  all.sd->update(ec.test_only, false, ec.loss, ec.weight, ec.num_features);

  all.print(all.raw_prediction, ec.partial_prediction, -1, ec.tag);
  for (size_t i = 0; i < all.final_prediction_sink.size(); i++)
  {
    int f = (int)all.final_prediction_sink[i];
    all.print(f, ec.pred.scalar, 0, ec.tag);
  }

  print_no_label_update(all, ec);
}

parse_no_label()

void no_label::parse_no_label	(	parser *	,
		shared_data *	,
		void *	,
		v_array< substring > &	words
	)

Definition at line 28 of file no_label.cc.

References print_substring(), and v_array< T >::size().

{
  switch (words.size())
  {
    case 0:
      break;
    default:
      std::cout << "Error: " << words.size() << " is too many tokens for a simple label: ";
      for (unsigned int i = 0; i < words.size(); ++i) print_substring(words[i]);
      std::cout << std::endl;
  }
}

print_no_label_update()

void no_label::print_no_label_update	(	vw &	all,
		example &	ec
	)

Definition at line 44 of file no_label.cc.

References vw::bfgs, vw::current_pass, shared_data::dump_interval, vw::holdout_set_off, example::num_features, example::pred, shared_data::print_update(), vw::progress_add, vw::progress_arg, vw::quiet, polyprediction::scalar, vw::sd, shared_data::weighted_labeled_examples, and shared_data::weighted_unlabeled_examples.

Referenced by output_and_account_no_label_example().

{
  if (all.sd->weighted_labeled_examples + all.sd->weighted_unlabeled_examples >= all.sd->dump_interval && !all.quiet &&
      !all.bfgs)
  {
    all.sd->print_update(all.holdout_set_off, all.current_pass, 0.f, ec.pred.scalar, ec.num_features, all.progress_add,
        all.progress_arg);
  }
}

read_cached_no_label()

size_t no_label::read_cached_no_label	(	shared_data *	,
		void *	,
		io_buf &
	)

Definition at line 14 of file no_label.cc.

{ return 1; }

return_no_label_example()

void no_label::return_no_label_example	(	vw &	all,
		void *	,
		example &	ec
	)

Definition at line 68 of file no_label.cc.

References VW::finish_example(), and output_and_account_example().

{
  output_and_account_example(all, ec);
  VW::finish_example(all, ec);
}

test_label()

bool no_label::test_label

(

void *

)

Definition at line 24 of file no_label.cc.

{ return false; }

Variable Documentation

no_label_parser

label_parser no_label::no_label_parser

Initial value:

= {default_no_label, parse_no_label, cache_no_label, read_cached_no_label, delete_no_label,
    get_weight, nullptr, test_label, sizeof(nullptr)}

Definition at line 41 of file no_label.cc.

Referenced by lda_setup().