utils.cc File Reference

#include "utils.h"
#include "rnd.h"
#include <unordered_set>

Include dependency graph for utils.cc:

Go to the source code of this file.

Namespaces
	FT
	main Feat namespace
	FT::Util
	namespace containing various utility functions used in Feat

Functions
void	FT::Util::clean (ArrayXf &x)
	limits node output to be between MIN_FLT and MAX_FLT More...
void	FT::Util::clean (VectorXf &x)
std::string	FT::Util::ltrim (std::string str, const std::string &chars)
std::string	FT::Util::rtrim (std::string str, const std::string &chars)
std::string	FT::Util::trim (std::string str, const std::string &chars)
vector< char >	FT::Util::find_dtypes (const MatrixXf &X)
	determines data types of columns of matrix X. More...
float	FT::Util::median (const ArrayXf &v)
	calculate median More...
int	FT::Util::argmiddle (vector< float > &v)
	returns the (first) index of the element with the middlest value in v More...
float	FT::Util::variance (const ArrayXf &v, float mean)
	calculate variance when mean provided More...
float	FT::Util::variance (const ArrayXf &v)
	calculate variance More...
float	FT::Util::skew (const ArrayXf &v)
	calculate skew More...
float	FT::Util::kurtosis (const ArrayXf &v)
	calculate kurtosis More...
float	FT::Util::covariance (const ArrayXf &x, const ArrayXf &y)
	covariance of x and y More...
float	FT::Util::slope (const ArrayXf &x, const ArrayXf &y)
	slope of x/y More...
float	FT::Util::pearson_correlation (const ArrayXf &x, const ArrayXf &y)
	the normalized covariance of x and y More...
float	FT::Util::mad (const ArrayXf &x)
	median absolute deviation More...
ArrayXb	FT::Util::isinf (const ArrayXf &x)
	returns true for elements of x that are infinite More...
ArrayXb	FT::Util::isnan (const ArrayXf &x)
	returns true for elements of x that are NaN More...
float	FT::Util::condition_number (const MatrixXf &X)
	returns the condition number of a matrix. More...
MatrixXf	FT::Util::corrcoef (const MatrixXf &X)
	returns the pearson correlation coefficients of matrix. More...
float	FT::Util::mean_square_corrcoef (const MatrixXf &X)
std::string	FT::Util::ravel (const vector< string > &v, string sep=",")
	takes a vector string and returns it as a delimited string. More...

Variables
string	FT::Util::PBSTR = "===================="
int	FT::Util::PBWIDTH = 20