Table 2.
Missing value imputation methods used in this study
| Methods | Author | Programming Language | Year |
|---|---|---|---|
| Local algorithm | |||
| K-nearest neighbors (KNN) | Troyanskaya O. | C | 2001 |
| Iterative K-nearest-neighbors (IKNN) | Bras L.P. | R | 2007 |
| Sequential K-nearest-neighbors (SKNN) | Kim K.Y. | R | 2004 |
| Least squares adaptive (LSA) | Bø T.H. | Java | 2004 |
| Local least squares (LLS) | Kim H. | Matlab | 2005 |
| Iterative local least squares (ILLS) | Cai Z. | Matlab | 2006 |
| Sequential local least squares (SLLS) | Zhang X | R | 2008 |
| Global algorithm | |||
| Bayesian principal component analysis (BPCA) | Oba S. | R | 2003 |
| Singular value decomposition (SVD) | Troyanskaya O. | R | 2001 |