. generate logor=log(_ES)

. generate selogor= _selogES
. metabias logor selogor,egger
Note: data input format theta se_theta assumed.
Egger's test for small-study effects:
Regress standard normal deviate of intervention
effect estimate against its standard error
Number of studies =  4                                 Root MSE      =   .3771
------------------------------------------------------------------------------
     Std_Eff |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       slope |    .151952   .2796278     0.54   0.641    -1.051189    1.355093
        bias |   -1.29656   1.243079    -1.04   0.406    -6.645096    4.051977
------------------------------------------------------------------------------
Test of H0: no small-study effects          P = 0.406
. metabias logor selogor, begg
Note: data input format theta se_theta assumed.
unknown egen function sum()
r(133）
各位大神帮忙看一下为什么egger 做的出料，begg就显示上边红色的结果啊？自学stata新手，感激不尽！