state.x77
newdata=state.x77[,c("Population","Income","Illiteracy","Murder","Frost")]
murder.fit<-lm(Murder~Population+Income+Illiteracy+Frost,data=newdata)
然后报错
Error in model.frame.default(formula = Murder ~ Population + Income + : 'data'必需是数据框, 不能是矩阵或陣列


雷达卡




京公网安备 11010802022788号







