Open AccessSurvival Analysis of Logistics Service Providers: An Empirical Study of Chengdu, Area in China
Author(s) -
Guoqi Li,
Yihuan Tu,
Lihao Duan,
Jin Zhang,
Lei Huang,
Wanshan Wu,
Zhuoshi Lv
Publication year - 2020
Publication title -
open journal of statistics
Language(s) - English
Resource type - Journals
eISSN - 2161-7198
pISSN - 2161-718X
DOI - 10.4236/ojs.2020.106054
Subject(s) - proportional hazards model , china , survival analysis , sample (material) , scale (ratio) , business , statistics , geography , mathematics , chemistry , cartography , archaeology , chromatography