找不到对象“Month”
airquality$Month <- factor(airquality$Month)
> xyplot(Temp~Ozone|Month,date=airquality,
+ layout=c(5,1))
Error in eval(modelRHS.vars[[i]], data, env) : 找不到对象'Month'
1 回答
举报
0/150
提交
取消
airquality$Month <- factor(airquality$Month)
> xyplot(Temp~Ozone|Month,date=airquality,
+ layout=c(5,1))
Error in eval(modelRHS.vars[[i]], data, env) : 找不到对象'Month'
2019-03-29
举报
