Table 4 Mean estimations based on MJ dataset. The mean estimations of annual LTPA duration in 1997 based on MJ dataset are listed in the column Estimated 1997 annual mean. The differences between mean estimation in 1997 and 1998 are listed in the column Difference of estimated annual means
| Â | Estimated 1997 annual mean | Difference of estimated annual means |
|---|---|---|
Linear regression (Midpoint method) | 2.05624 | -0.01118 |
Linear regression (MLE) | 2.24097 | -0.02428 |
Midpoint method | 1.36833 | 0.66870 |
MLE | 1.62673 | 0.59378 |
VAM (Midpoint method) | 1.96012 | 0.07691 |
VAM (MLE) | 2.10535 | 0.11516 |