Abstract In order to make up for the existing deficiencies in analysis of factors affecting athletes’ victory, scientifically and effectively judge technical indicators that affect author puts forward tennis techniques tactics based on multiple linear regression model. Based Logistic model, made statistics data 10 events men's singles 2021 Open, conducted a series tests such as normal distribut...

Insurance benefit forecasting is very important for insurance, and research on insurance has been going all the time. This paper aims to find an efficient simple model predicting benefits based multiple linear regression machine learning scenarios. To be specific, in process of prediction, random forest are used as prediction models. Through comparison analysis results, it found that more accur...

Based on the impact of industry extreme return attention institutional investors, taking Chinese A-share listed companies from 2011 to 2020 as a sample, this paper empirically tests relationship between investors’ distraction and executive compensation stickiness based multiple regression analysis. The study finds that promotes stickiness, which is more significant in group pressure-resistant i...

The estimated ultimate recovery (EUR) of a single shale gas well is one the important evaluation indicators for scale and benefit development gas, which affected by many factors such as geological engineering, so its accurate prediction difficult. In order to realize recovery, this study considered 172 wells in Weiyuan block samples selected 19 engineering that affect wells. Furthermore, eight ...