Shi, Li-na; Huang, Han-ming; Li, Xiao-yong; Tang, Xian-jian; Pan, Shi-hu Aging population trend prediction based on the gray recurrence dynamic model with equal dimension. (Chinese) Zbl 06052027 Ludong Univ. J., Nat. Sci. 25, No. 4, 315-317 (2009). MSC: 62-XX Statistics Keywords:gray system; gray recurrence dynamic model with equatin dimension; model checking; aging population PDFBibTeX XMLCite \textit{L.-n. Shi} et al., Ludong Univ. J., Nat. Sci. 25, No. 4, 315--317 (2009; Zbl 06052027)