utils.cpp File Reference

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

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Namespaces
namespace	Brush
	< nsga2 selection operator for getting the front
namespace	Brush::Util
	namespace containing various utility functions

Functions
void	Brush::Util::clean (ArrayXf &x)
	limits node output to be between MIN_FLT and MAX_FLT
std::string	Brush::Util::ltrim (std::string str, const std::string &chars)
std::string	Brush::Util::rtrim (std::string str, const std::string &chars)
std::string	Brush::Util::trim (std::string str, const std::string &chars)
vector< type_index >	Brush::Util::get_dtypes (MatrixXf &X)
	calculates data types for each column of X
float	Brush::Util::condition_number (const MatrixXf &X)
	returns true for elements of x that are infinite
MatrixXf	Brush::Util::corrcoef (const MatrixXf &X)
	returns the pearson correlation coefficients of matrix.
float	Brush::Util::mean_square_corrcoef (const MatrixXf &X)
int	Brush::Util::argmiddle (vector< float > &v)
	returns the (first) index of the element with the middlest value in v
float	Brush::Util::variance (const ArrayXf &v)
	calculate variance
float	Brush::Util::skew (const ArrayXf &v)
	calculate skew
float	Brush::Util::kurtosis (const ArrayXf &v)
	calculate kurtosis
float	Brush::Util::covariance (const ArrayXf &x, const ArrayXf &y)
	covariance of x and y
float	Brush::Util::slope (const ArrayXf &x, const ArrayXf &y)
	slope of x/y
float	Brush::Util::pearson_correlation (const ArrayXf &x, const ArrayXf &y)
	the normalized covariance of x and y
float	Brush::Util::mad (const ArrayXf &x)
	median absolute deviation
std::string	Brush::Util::ReplaceString (std::string subject, const std::string &search, const std::string &replace)
	find and replace string
void	Brush::Util::ReplaceStringInPlace (std::string &subject, const std::string &search, const std::string &replace)
	string find and replace in place
vector< size_t >	Brush::Util::mask_to_index (const ArrayXb &mask)
	convert a boolean mask to an index array
tuple< vector< size_t >, vector< size_t > >	Brush::Util::mask_to_indices (const ArrayXb &mask)
	returns 2 indices: first where mask is true, and second where mask is false.

Variables
string	Brush::Util::PBSTR = "===================="
int	Brush::Util::PBWIDTH = 20
TypeMap< std::string >	Brush::Util::type_names