Prediction of Income of Rural Residents Based on Markov Model under the Background of Rural Revitalization

Table 1

Grey system prediction and verification of per capita disposable income of rural residents in China from 2011 to 2020.

Year	Original value	Predictive value	Residual	Relative variation
2011	7393.9	7393.9	0.000	0.00%
2012	8389.3	8701.9	−312.613	−3.73%
2013	9429.6	9484.4	−54.779	−0.58%
2014	10488.9	10337.2	151.697	1.45%
2015	11421.7	11266.7	154.988	1.36%
2016	12363.4	12279.8	83.599	0.68%
2017	13432.4	13384.0	48.414	0.36%
2018	14617.0	14587.5	29.542	0.20%
2019	16020.7	15899.1	121.555	0.76%
2020	17131.0	17328.8	−197.778	−1.15%