Wassila Guendouzi

5 Questions 16 Answers 0 Followers

Questions related from Wassila Guendouzi

Wrapper feature selection and overfitting issue?

Salem, In a wrapper feature selection algorithm, we use the accuracy rate to evaluate the candidate feature subsets during the search process. How can we show that a wrapper feature selection...

28 September 2016 3,296 4 View

How can discrete and binary metaheuristics be evaluated using mathematical functions?

Hello, My question is how can I evaluate a discrete metaheuristic using a benchmack mathematical functions. in other words, the concerned metaheuristic handel a discrete solutions xi with D...

09 November 2015 628 3 View

How can I choose the validating set for doing evaluation in wrapper feature selection method?

Hi, For doing the evaluation of different feature subsets in the wrapper feature selection methods we need to use the train and the validation sets. and after selecting the best feature subset we...

04 September 2015 7,552 7 View

How to do evaluation in wrapper feature selection method with cross validation?

Hi, Please I need to kow how can i use cross validation to evaluate a wrapper fetaure selection method. I already do this by spliting my data sets into three different sets : training set ,...

25 July 2015 1,516 1 View

Is there any function in weka API or java to efficiently calculate the entropy of an attribute and the joint entropy of a pair of attributes ?

Is there any function in weka API or java to effeciently calculate the entropy of an attribut and the join entropy of a pair of attributs, H(a) and H(a1, a2) respectively in a large data sets. if...

22 April 2015 7,497 1 View