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大家好,最近在看《网络Meta分析在R软件中的实现》一文,但是按照程序总是跑不出结果来,不知道为什么,希望大家帮忙解答一下,再谢。(我的程序如下)> library(meta)
Loading required package: grid
Loading 'meta' package (version 3.6-0).
> A<-read.csv(file="C:\\Users\\Administrator\\Desktop\\study\\wl.csv")
> A<-transform(A,trtpair=paste(d1,d2))
> library(nlme)
Warning message:
package ‘nlme’ was built under R version 3.1.1 
> l<-lme(logor~0+r+c+p, random=~1|trtpair,data=A, weights=varConstPower(form=~selogor,fixed=list(power)))
Error in val$const <= 0 : 
  comparison (4) is possible only for atomic and list types