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Table 2 Average LRMSE values, ranking (in parenthesis), and regression slope ( β ^ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaacciGaf8NSdiMbaKaaaaa@2D8B@ ) in equation (5), for the eight methods under investigation (from Simulation II). An asterisk indicates a p-value less than 0.001.

From: Which missing value imputation method to use in expression profiles: a comparative study and two selection schemes

Method ALI ALO BAL CAU GAS GOL ROS SP.AFA SP.ELU Overall Slope
LSA 0.487 (1) 0.323 (1) 0.253 (1) 0.348 (2) 0.311 (1) 0.414 (1) 0.492 (1) 0.147 (3) 0.150 (3) 0.325 -0.292*
LLS 0.550 (4) 0.339 (2) 0.254 (2) 0.355 (1) 0.316 (2) 0.421 (2) 0.584 (4) 0.122 (1) 0.117 (1) 0.332 -0.125*
BPCA 0.524 (6) 0.338 (3) 0.254 (3) 0.346 (3) 0.315 (3) 0.420 (3) 0.555 (5) 0.120 (2) 0.115 (2) 0.340 0.007
PLS 0.538 (7) 0.397 (4) 0.316 (4) 0.439 (4) 0.418 (4) 0.473 (4) 0.591 (6) 0.208 (7) 0.220 (6) 0.373 0.330*
KNN.c 0.509 (3) 0.354 (5) 0.280 (5) 0.402 (5) 0.398 (5) 0.439 (5) 0.535 (3) 0.225 (5) 0.267 (5) 0.379 -0.082*
OLS 0.558 (2) 0.343 (6) 0.259 (6) 0.357 (6) 0.322 (6) 0.425 (6) 0.590 (2) 0.232 (6) 0.268 (7) 0.382 -0.149*
KNN.e 0.503 (5) 0.356 (8) 0.286 (8) 0.408 (8) 0.406 (7) 0.448 (8) 0.527 (7) 0.229 (4) 0.273 (4) 0.400 -0.237*
SVD 0.622 (8) 0.385 (7) 0.301 (7) 0.415 (7) 0.446 (8) 0.465 (7) 0.661 (8) 0.279 (8) 0.316 (8) 0.432 0.547*