panel报错
> f <- factor(f,labels = "Group1","Group2")> xyplot(y~x | f,layout=c(2,1))Error in limits.and.aspect(default.prepanel, prepanel = prepanel, have.xlim = have.xlim, : need at least one panel
为什么会报错?我和老师做的一样
> f <- factor(f,labels = "Group1","Group2")> xyplot(y~x | f,layout=c(2,1))Error in limits.and.aspect(default.prepanel, prepanel = prepanel, have.xlim = have.xlim, : need at least one panel
为什么会报错?我和老师做的一样
2016-04-15
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