Table 1. Results of robustness check.
Variables | DA | PLC | t | p |
---|---|---|---|---|
MLE | ||||
Parameter k | 0.1264 | 0.1664 | -1.931 | 0.0633 |
Parameter V | 0.7227 | 0.7523 | -2.226 | 0.0339 |
R2 | 0.7505 | 0.7687 | ||
LSE | ||||
Parameter k | 0.1265 | 0.1663 | -1.949 | 0.0611 |
Parameter V | 0.7227 | 0.7522 | -2.225 | 0.034 |
R2 | 0.7506 | 0.7688 |
MLE, maximum-likelihood estimation; LSE, least squares estimation; DA, administration of dopamine receptor agonist pramipexole; PLC, administration of placebo.