koho Namespace Reference

Classes
class	BestSplitter
	Splitter to find the best split for a node. More...
class	DecisionForestClassifier
	A decision forest classifier. More...
class	DecisionTreeClassifier
	A decision tree classifier. More...
class	DepthFirstTreeBuilder
	Build a binary decision tree in depth-first order. More...
class	GiniCriterion
	Gini Index impurity criterion. More...
class	Node
	Node of a binary tree. More...
class	RandomState
	A random number generator. More...
class	Tree
	Binary tree structure build up of nodes. More...

Typedefs
typedef double	Features_t
typedef long	Classes_t
typedef double	ClassWeights_t
typedef double	Histogram_t
typedef unsigned long	SamplesIdx_t
typedef unsigned long	FeaturesIdx_t
typedef unsigned long	ClassesIdx_t
typedef unsigned long	OutputsIdx_t
typedef unsigned long	NodesIdx_t
typedef unsigned long	TreeDepthIdx_t

Functions
vector< vector< int > >	create_rgb_LUT (ClassesIdx_t n_classes)
void	process_tree_recursively_graphviz (const Tree &tree, NodesIdx_t node_id, const vector< vector< int >> &rgb_LUT, const vector< vector< string >> &classes, const vector< string > &features, bool rotate, ofstream &fout)
void	process_tree_recursively_text (const Tree &tree, NodesIdx_t node_id, ostringstream &sout)
template<class X >
unsigned long	maxIndex (X *x, unsigned long n)
template<class X , class S >
void	sort2VectorsByFirstVector (std::vector< X > &x, std::vector< S > &s, long start, long end, bool increase=true)

Variables
auto	calculate_n_classes
const double	PRECISION_EQUAL = 1e-7

Typedef Documentation

Classes_t

typedef long koho::Classes_t

ClassesIdx_t

typedef unsigned long koho::ClassesIdx_t

ClassWeights_t

typedef double koho::ClassWeights_t

Features_t

typedef double koho::Features_t

FeaturesIdx_t

typedef unsigned long koho::FeaturesIdx_t

Histogram_t

typedef double koho::Histogram_t

NodesIdx_t

typedef unsigned long koho::NodesIdx_t

OutputsIdx_t

typedef unsigned long koho::OutputsIdx_t

SamplesIdx_t

typedef unsigned long koho::SamplesIdx_t

TreeDepthIdx_t

typedef unsigned long koho::TreeDepthIdx_t

Function Documentation

create_rgb_LUT()

vector<vector<int> > koho::create_rgb_LUT

(

ClassesIdx_t

n_classes

)

maxIndex()

template<class X >

unsigned long koho::maxIndex	(	X *	x,
		unsigned long	n
	)

process_tree_recursively_graphviz()

void koho::process_tree_recursively_graphviz	(	const Tree &	tree,
		NodesIdx_t	node_id,
		const vector< vector< int >> &	rgb_LUT,
		const vector< vector< string >> &	classes,
		const vector< string > &	features,
		bool	rotate,
		ofstream &	fout
	)

process_tree_recursively_text()

void koho::process_tree_recursively_text	(	const Tree &	tree,
		NodesIdx_t	node_id,
		ostringstream &	sout
	)

sort2VectorsByFirstVector()

template<class X , class S >

void koho::sort2VectorsByFirstVector	(	std::vector< X > &	x,
		std::vector< S > &	s,
		long	start,
		long	end,
		bool	increase = true
	)

Variable Documentation

calculate_n_classes

auto koho::calculate_n_classes

Initial value:

= [](const vector<vector<string>>& classes) {
        vector<ClassesIdx_t> n_classes(classes.size(), 0);
        for (OutputsIdx_t o=0; o<classes.size(); o++) {
            n_classes[o] = classes[o].size();
        }
        return n_classes;
    }

PRECISION_EQUAL

const double koho::PRECISION_EQUAL = 1e-7