“…We will use 2017 adjusted data for 2015-2016 as training data and 2018-2019 adjusted for 2018-2019 as test data according to Table 1. Next, normalize the data values when divided by 2 using Equation 1 (Purba et al, 2019), (Wanto, Ginantra, et al, 2019), (Siregar et al, 2019), (Zamzamy Sormin et al, 2019), (Wanto, Parulian, et al, 2019), (Andriani et al, 2018), (Saputra et al, 2019), (N. Ginantra et al, 2021), (Purba et al, 2019), (Julham et al, 2019), (Zola, 2018), (Suheri, 2012) Which one : = Data normalization results, = Data to be normalized, =…”