Open AccessPrediction of Population Aging in Chengdu: A Study Based on Optimized Grey GM(1,1) Model
Author(s) -
杨淼
Publication year - 2017
Publication title -
tong ji xue yu ying yong
Language(s) - English
Resource type - Journals
eISSN - 2325-226X
pISSN - 2325-2251
DOI - 10.12677/sa.2017.64045
Subject(s) - population ageing , statistics , population , econometrics , computer science , mathematics , demography , sociology