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我有如下所示的数据,除了数字乱序:
dat<-
paste("Experience",1:20,sep="_")
基本上,我试图根据结束编号按数字顺序对列进行排序,以便按照上面的代码生成的顺序对它们进行排序。但是,当我对值进行排序
时,它会根据第一个数字进行排序:
"Experience_1" "Experience_10" "Experience_11" "Experience_12"
"Experience_13" "Experience_14" "Experience_15" "Experience_16"
"Experience_17" "Experience_18" "Experience_19" "Experience_2"
"Experience_20" "Experience_3" "Experience_4" "Experience_5"
"Experience_6" "Experience_7" "Experience_8" "Experience_9"
想法?