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Table 8 Models results and relative errors of 2019

From: Epidemiological analysis of varicella in Dalian from 2009 to 2019 and application of three kinds of model in prediction prevalence of varicella

Year

Actual value

GM (1,1)

Markov

GM (1,1)-Markov

2019

62.68

53.64

56.21

59.51

Relative error(%)

 

14.42

10.31

5.06