2019-03-13
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837
数据合并
ID<-c(1,2,3,4)
name<-c("Jim","Tony","Lisa","Tom")
score<-c(89,22,78,78)
student1<-data.frame(ID,name)
student2<-data.frame(ID,score)
total_student<-merge(student1,student2,by="ID") #或者rbind()
total_student
ID<-c(1,2,3)
name<-c("Jame","Kevin","Sunny")
student1<-data.frame(ID,name)
ID<-c(4,5,6)
name<-c("Sun","Frame","Eric")
student2<-data.frame(ID,name)
total<-cbind(student1,student2)
total
0.9178
1
2
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