1.创建数据集/矩阵【data.frame数据框、matrix矩阵、array数组】
#数据框:将字段以列合并在一起。...leadership <- data.frame(manager, date ,country, gender, age, q1,q2,q3,q4,q5, stringsAsFactors=F)
#矩阵...:通过调整参数,控制矩阵样式。...levels = c("Male", "Man" , "Lady", "Female"),labels = c("Male", "Male", "Female", "Female"))
#数据列表:可用于合并多个不同类型数据字段...(ID,name)
ID<-c(4,5,6)name<-c("Sun","Frame","Eric")student2<-data.frame(ID,name)total<-rbind(student1