Tianjiao Liu

Improved KNN Algorithm Based on Local K Value Fitting

2024

Abstract: Aiming at the problem that the k value of the dependent sample is difficult to determine due to the absence of the training process in the k-nearest neighbor algorithm (KNN), an improved KNN algorithm …

Analysis and prediction model of population contribution in underdeveloped areas based on GBDT-XGBoost algorithm

2024

This paper takes Guizhou Province in China as an example to predict the future Development trend in underdeveloped regions combined with the influencing factors of Research sample mobility. Based on XGBoost (Extreme Gradient Lifting Tree) …