From: Simple robust parameter estimation for the Birnbaum-Saunders distribution
 |  | Estimator of α | Estimator of β | |||
---|---|---|---|---|---|---|
n | α | \(\hat \alpha ^{\text {MLE}}\) | \(\hat \alpha ^{\text {IQR}}_{2}\) | \(\hat \alpha ^{\text {RC}}_{2}\) | \(\hat \beta ^{\text {MLE}}\) | \(\hat \beta ^{\text {HL}}\) |
10 | 0.5 | −0.039 | −0.066 | −0.000 | −0.012 | −0.014 |
 |  | (0.117) | (0.171) | (0.149) | (0.156) | (0.164) |
 | 1.0 | −0.087 | −0.141 | −0.017 | −0.040 | −0.048 |
 |  | (0.235) | (0.340) | (0.297) | (0.299) | (0.332) |
 | 2.0 | −0.186 | −0.314 | −0.078 | −0.105 | −0.165 |
 |  | (0.481) | (0.700) | (0.595) | (0.534) | (0.714) |
50 | 0.5 | −0.007 | −0.015 | −0.000 | −0.002 | −0.002 |
 |  | (0.051) | (0.081) | (0.059) | (0.068) | (0.071) |
 | 1.0 | −0.017 | −0.031 | −0.003 | −0.008 | −0.010 |
 |  | (0.101) | (0.162) | (0.116) | (0.128) | (0.139) |
 | 2.0 | −0.035 | −0.071 | −0.018 | −0.018 | −0.029 |
 |  | (0.206) | (0.330) | (0.238) | (0.195) | (0.256) |
100 | 0.5 | −0.004 | −0.004 | −0.000 | −0.001 | −0.001 |
 |  | (0.036) | (0.058) | (0.041) | (0.048) | (0.051) |
 | 1.0 | −0.008 | −0.015 | −0.001 | −0.004 | −0.004 |
 |  | (0.070) | (0.115) | (0.080) | (0.088) | (0.096) |
 | 2.0 | −0.019 | −0.034 | −0.009 | −0.010 | −0.016 |
 |  | (0.144) | (0.233) | (0.163) | (0.135) | (0.176) |