Research Article

A Higher-Order Motif-Based Spatiotemporal Graph Imputation Approach for Transportation Networks

Table 2

Analysis of the imputation with MGIA (10 min time interval). The acronyms “r-missing” and “c-missing” represent the patterns of random data missing and continuous data missing, respectively.

PatternMetricsMissing rate
0.10.20.30.40.50.6

r-missingRMSE0.05620.06220.06590.07460.09140.1176
c-missingRMSE0.03710.0570.06310.07330.07590.0843
r-missingMAE0.03250.05010.05470.05810.07420.0938
c-missingMAE0.02920.05080.05350.05630.06530.0726
r-missingMAPE2.51%3.81%4.17%4.27%5.45%6.95%
c-missingMAPE2.26%3.94%4.02%4.2%4.97%5.45%