Y. Qi

collaborators

2 papers

math.PR2025

Some results on probabilities of moderate deviations

Deli Li, Yu Miao, Yongcheng Qi

Let ${X, X_{n}; n \geq 1}$ be a sequence of i.i.d. non-degenerate real-valued random variables with $E X^{2} < \infty$ . Let $S_{n} = \sum_{i = 1}^{n} X_{i}$ , $n \geq 1$ . Le…

math.ST2025

A Simplified Condition For Quantile Regression

Liang Peng, Yongcheng Qi

Quantile regression is effective in modeling and inferring the conditional quantile given some predictors and has become popular in risk management due to wide applications of quan…