stata 软件网状meta求助

如题，做不一致性检测，提示如下

. network meta i

Warning: network is disconnected, so network meta models will be wrong

(Use force option to override - at your own risk)

上面步骤有个提示

Network information           

  Components:             2 (disconnected)

  D.f. for inconsistency:       19

  D.f. for heterogeneity:       10

用的是教程上的命令： network setup r n, studyvar(id) trtvar(t) format(augment) rr

有网友说这是有2组数据未成网，难道我只能删除数据，那不是就……如何解决呢？求大神解惑，谢谢，急等~~~~~~~~