Research Article

Power Prior Elicitation in Bayesian Quantile Regression

Table 2

Posterior means, posterior standard deviations (SD), and mean of the true values of 𝛽 ( 𝑝 ) .

𝑝 𝑎 0 Mean 𝛽 0 ( 𝑝 ) SD 𝛽 0 ( 𝑝 ) Mean of the true values of 𝛽 0 ( 𝑝 ) Mean 𝛽 1 ( 𝑝 ) SD 𝛽 1 ( 𝑝 ) Mean of the true values of 𝛽 1 ( 𝑝 )

0.900.1010.21900.473110.7816 −1.1840 0.1042 −0.9835
0.25 10.25500.2960 −1.1738 0.0591
0.50 10.5200 0.1573 −1.15690.0315
0.7510.7500 0.2127 −1.1060 0.0332
0.9010.9400 0.1311 −1.0743 0.0194

0.750.109.70100.331610.1745−1.19110.0611−1.0387
0.259.7030 0.2934−1.18690.0639
0.509.7930 0.2214−1.1710 0.0455
0.7510.0100 0.1852−1.16800.0333
0.9010.1620 0.1636−1.1652 0.0301

0.500.109.2095 0.24149.5000−1.19380.0275−1.1000
0.25 9.2560 0.1952−1.19570.0233
0.50 9.2600 0.1046−1.19580.0176
0.759.2885 0.0871−1.19680.0143
0.909.30800.0735−1.19710.0112

0.250.109.2820 0.35528.8255−1.25900.0718−1.1613
0.25 9.1890 0.2489−1.2650 0.0462
0.50 8.99100.1841−1.26900.0340
0.758.8230 0.1660−1.27600.0313
0.908.7270 0.1492−1.2810 0.0279

0.100.108.8240 0.32728.2184−1.19400.0640 −1.2165
0.25 8.6460 0.2171−1.19200.0433
0.50 8.3880 0.1556−1.20300.0292
0.758.19000.1723−1.24300.0315
0.908.0980 0.1171−1.2600 0.0256