→ clansoda: I assume that your datatype is character 11/11 22:43
→ clansoda: paste(data, collapse = ",") 11/11 22:44
→ psinqoo: 切位元? as.numeric後切? 11/11 22:45
→ obarisk: as.character strsplit 11/11 22:51
推 clsmbstu: groups <- strsplit(as.character(data$Group), "?") 11/12 01:20
→ clsmbstu: data$Group <- sapply(groups, paste, collapse = ",") 11/12 01:20