When companies interview candidates, the interviewers usually include HR, team leaders, and department managers. The process can be divided into two forms. The first form is where the three interviewers interview the candidates separately. The questions may be the same or different, and each interviewer will give a conclusion based on the candidate’s performance. Finally, … Read more
Core Points:From Principles to Cases, A Complete Summary of XGBoost! Hello, I am Cos Dazhuang~ Recently, many people have been messaging about XGBoost, feeling it’s very useful but still somewhat unclear. Today, we will clarify it from principles, derivation of formulas, to a practical case at the end, hoping it helps! In simple terms, XGBoost … Read more
1 Algorithm Overview XGBoost (eXtreme Gradient Boosting) is also a member of the Boosting family. To understand its working principle, we first need to briefly introduce the related concepts of AdaBoost and GBDT. AdaBoost focuses on misclassified samples, increasing the weight of misclassified samples each time to train new classifiers. XGBoost is essentially a GBDT, … Read more
SIGAI Recommendation SIGAI Resource Summary 60% off on courses taught by Teacher Lei Ming XGBoost is a hot algorithm suitable for analyzing abstract data problems, achieving great results in competitions like Kaggle. Although there are many articles introducing the principles and use of XGBoost, few can clearly and thoroughly explain its principles. The goal of … Read more