Evaluation

template<ProgramType T>
class Evaluation

Class for evaluating the fitness of individuals in a population.

Public Functions

inline Evaluation()

Constructor for Evaluation class.

Initializes the scorer based on the program type.

inline ~Evaluation()

inline void set_scorer(string scorer)

Set the scorer for evaluation.

Parameters:

scorer – The scorer to be set.

inline string get_scorer()

Get the current scorer.

Returns:

The current scorer.

void update_fitness(Population<T> &pop, int island, const Dataset &data, const Parameters &params, bool fit = true, bool validation = true)

Update the fitness of individuals in a population.

Parameters:

• pop – The population to update.

• island – The island index.

• data – The dataset for evaluation.

• params – The parameters for evaluation.

• fit – Flag indicating whether to update fitness.

• validation – Flag indicating whether to perform validation.

void assign_fit(Individual<T> &ind, const Dataset &data, const Parameters &params, bool val = false)

Assign fitness to an individual.

Parameters:

• ind – The individual to assign fitness to.

• data – The dataset for evaluation.

• params – The parameters for evaluation.

• val – Flag indicating whether it is validation fitness.

Public Members

Scorer<T> S

template<ProgramType P>
class Scorer

Public Functions

inline Scorer(string scorer = "mse")

inline void set_scorer(string scorer)

inline string get_scorer()

inline float score(const VectorXf &y_true, const VectorXf &y_pred, VectorXf &loss, const vector<float> &w)

inline float score(Individual<P> &ind, Dataset &data, VectorXf &loss, const Parameters &params)

Public Members

std::map<string, funcPointer> score_hash

string scorer