meta::io::libsvm_parser Namespace Reference

Parser specifically for libsvm-formatted files. More...

Classes
class	libsvm_parser_exception
	Exception class for this parser. More...

Typedefs
using	counts_t = const std::vector< std::pair< term_id, double >>
	Collection of (term_id, double)

Functions
class_label	label (const std::string &text)
	Extracts a class_label from a string in libsvm format. More...
counts_t	counts (const std::string &text, bool contains_label=true)

Detailed Description

Parser specifically for libsvm-formatted files.

Function Documentation

class_label meta::io::libsvm_parser::label

(

const std::string &

text

)

Extracts a class_label from a string in libsvm format.

Parameters

text	A libsvm-formatted string; throws an exception if it can't be parsed correctly

Returns

the class_label

counts_t meta::io::libsvm_parser::counts	(	const std::string &	text,
		bool	contains_label = true
	)

Parameters

text	A libsvm-formatted string; throws an exception if it can't be parsed correctly
contains_label	Whether this string's first token is the class_label

Returns

(feature, count) pairs of the libsvm data