qreg 结果的解读……其回归内容应该怎么看呢 Iteration 1: WLS sum of

qreg 结果的解读……其回归内容应该怎么看呢 Iteration 1: WLS sum of weighted deviations = 19.790735 Iteration 1: sum of abs. weighted deviations = 41.306213 Iteration 2: sum of abs. weighted deviations = 19.217504 Iteration 3: sum of abs. weighted deviations = 19.087324 Median regression Number of obs = 32 Raw sum of deviations 21.14778 (about 2.6197603) Min sum of deviations 19.08732 Pseudo R2 = 0.0974 ------------------------------------------------------------------------------ rdintens | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- sale10 | .2634638 .1593971 1.65 0.110 -.0630465 .589974 sale102 | -.0060011 .0042652 -1.41 0.170 -.014738 .0027358 profmarg | .1140037 .0507511 2.25 0.033 .0100448 .2179626 _cons | 1.404279 .7189224 1.95 0.061 -.0683663 2.876925 ------------------------------------------------------------------------------