Katerina FomkinaDecision Tree Overfitting IssueDecision trees are prone to overfitting. It affected how well the model performed. Pruning reduces the size of DT by removing redundant…Feb 2, 2023Feb 2, 2023
Katerina FomkinaDecision Trees. Attribute Selection Measure GuideDecision Tree is a non-parametric supervised learning algorithm that can be used for both classification and regression. Internal nodes…Jan 23, 2023Jan 23, 2023
Katerina FomkinaSQL interesting problems from HackerRank. Part IThis problem from HackerRankDec 7, 2022Dec 7, 2022
Katerina FomkinaEncoding Categorical features with high cardinalityMost ML models accept only numerical values as input and do not work with categorical features, thus we need to transform categorical…Aug 25, 20222Aug 25, 20222
Katerina FomkinaInterpretation of ML modelsThe interpretability of ML model is important. ML model is a black box and no one can be sure that, despite its good accuracy, the model is…Aug 16, 2022Aug 16, 2022
Katerina FomkinaMath ∩ Programming ≠ ∅Programming requires building logic and math often is very useful to help find a solution to a problem. For example, we can find a certain…Jul 23, 2022Jul 23, 2022
Katerina FomkinaPlate collection or a StackSome Stack problems and leetcode solutionsJun 22, 2022Jun 22, 2022
