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. 2021 Jul 1;16(7):e0253217. doi: 10.1371/journal.pone.0253217

Table 1. Time span of data considered for each stock-price pre-COVID-19.

MMM 600118.SS CBA.AX DAI.DE
Train (80%) 3.1.2012-24.5.2018 4.1.2012-28.5.2018 3.1.2012-24.7.2018 2.1.2012-22.5.2018
Test (20%) 25.5.2018-31.12.2019 29.5.2018-31.12.2019 25.7.2018-31.12.2019 23.5.2018-30.12.2019