[R-meta] Identifying studies in influence analyses output

[Daniel Mønsted Shabanzadeh]

Hey

I am performing a meta-analysis on proportions of complications following a
surgical intervention and analyses are with high heterogeneity. I therefore
explore influential studies in order to exclude them and use this code:

b<-rma(xi=compl_treat, ni=total, measure = "PAS", data=s)
b.1<-influence(b)
options(max.print=999999)
print(b.1)

Which gives me this list:

 rstudent  dffits cook.d  cov.r tau2.del     QE.del    hat weight    dfbs inf
1     1.4286  0.0960 0.0092 0.9992   0.0200 31272.5619 0.0044 0.4369
0.0960
2    -1.0338 -0.0726 0.0053 1.0048   0.0201 30956.0289 0.0049 0.4912
-0.0726
3    -0.4100 -0.0300 0.0009 1.0095   0.0202 31277.1418 0.0049 0.4891
-0.0300
4     1.0644  0.0744 0.0055 1.0039   0.0201 31114.4810 0.0048 0.4827
0.0744
5    -0.4970 -0.0336 0.0011 1.0080   0.0202 31315.6235 0.0043 0.4285
-0.0336
6    -0.1984 -0.0148 0.0002 1.0095   0.0202 31311.0548 0.0046 0.4574
-0.0148
7     1.0481  0.0680 0.0046 1.0036   0.0201 31294.6471 0.0042 0.4171
0.0680
8    -0.3738 -0.0273 0.0008 1.0096   0.0202 31300.1405 0.0049 0.4852
-0.0273
9    -0.9698 -0.0683 0.0047 1.0054   0.0201 31087.1853 0.0049 0.4912
-0.0683
10    0.8417  0.0561 0.0032 1.0058   0.0201 31285.9234 0.0045 0.4483
0.0561
11    1.0238  0.0657 0.0043 1.0037   0.0201 31297.4093 0.0041 0.4091  0.0657


How can I obtain the study identifications in order to identify them in my
dataset?

Regards,
Daniel

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