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Table 4 Methods for error correction (RQ3), along with its addressed errors, respective papers, and the total number of papers that proposed that method

From: Sensor data quality: a systematic review

MethodErrors addressedPapersTotal
Association rule miningMissing data[61, 62, 64, 66]4
ClusteringMissing data[65]1
k-Nearest NeighbourMissing data[9]1
Singular value decompositionMissing data[67]1
Empirical mode decompositionNoise[76]1
Savitzky–Golay filter and multivariate thresholdingNoise[77]1
Hybrid methods
 Clustering and probabilistic matrix factorizationMissing data[63]1