Research Article

Weighted Wilcoxon-Type Rank Test for Interval Censored Data

Table 6

Power comparison of tests under exponential distribution with sample .

m Test
0 0.2 0.4

W.R.T 0.710 0.268 0.049 0.196 0.642
0.8 Mantel 0.678 0.251 0.053 0.192 0.632
Peto 0.667 0.253 0.054 0.190 0.630
W.R.T 0.656 0.201 0.050 0.193 0.573
6 0.5 Mantel 0.636 0.193 0.046 0.184 0.561
Peto 0.621 0.188 0.047 0.188 0.558
W.R.T 0.549 0.182 0.058 0.171 0.523
0.3 Mantel 0.537 0.182 0.057 0.168 0.506
Peto 0.523 0.181 0.052 0.164 0.501

m Test
0 0.3 0.6

W.R.T 0.984 0.520 0.049 0.473 0.945
0.8 Mantel 0.964 0.472 0.050 0.441 0.930
Peto 0.957 0.460 0.050 0.439 0.927
W.R.T 0.971 0.484 0.046 0.448 0.957
10 0.5 Mantel 0.961 0.458 0.045 0.424 0.946
Peto 0.948 0.434 0.039 0.415 0.944
W.R.T 0.942 0.429 0.053 0.402 0.901
0.3 Mantel 0.927 0.413 0.050 0.387 0.892
Peto 0.908 0.385 0.060 0.368 0.889