你好,请问运行到第四步出现以下问题
> rwg(TEI$TEI,TEI$Tmid,ranvar=7)
Error in data.frame(X = X, GRPID = GRPID) :
arguments imply differing number of rows: 1369, 0
> rwg(TEI$TEI,TEI$Tmid,ranvar=4)
Error in data.frame(X = X, GRPID = GRPID) :
arguments imply differing number of rows: 1369, 0