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. 2023 Feb 24;9(3):e13963. doi: 10.1016/j.heliyon.2023.e13963

Table 2.

Fitting values and residual sequences from 2005 to 2019.

Year 2005 2006 2007 2008 2009 2010 2011 2012 2013
fitted value X^t 20.526 23.054 24.025 25.300 27.712 31.360 33.956 31.977 33.106
residual value et 0.0091753 −0.021804 −0.80478 −0.64211 0.3290259 1.2677073 0.5773248 −2.343731 −1.078372
Year 2014 2015 2016 2017 2018 2019
fitted value X^t 35.349 34.374 35.580 36.743 37.565 39.122
residual value et 0.6503675 −0.41962 0.3456612 0.5341245 0.1906035 0.291413