ResearchBenchmarksTime Series Imputation on AQI (out-of-sample)Follow14.73MAEGRIN13.735220.450127.16533.8799Jul 31, 2021Evaluation ResultsMethodMethodLinksMAEMSEMRE (%)GRIN2021.0714.73775.9121.82MPGRU2021.0718.761,194.3527.79BRITS2021.0720.211,157.8929.94rGAIN2021.0721.781,274.9332.26VAR2021.0722.951,402.8433.99MICE2021.0726.981,930.9240.37KNN2021.0734.13,471.1451.02Mean2021.0739.63,231.0459.25