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Comparison of the NRMSEs of various methods. Comparison of the NRMSEs of LLSimpute, kNN, BPCA, and RLSP imputation methods on ELU data set with the 1% missing rate. BPCA results are shown on the y-axis. The x-axis represents the value of k (selected similar genes). When k is close to sample size (N), LLSimpute has a high peak. Thus we truncated it in the graph. Overall, RLSP method showed improved performance compared to other methods.
