我试图测试ggbeeswarm包。
不幸的是，当我运行以下命令时出现错误。 为什么我会收到此错误？
R version 3.2.4 Revised (2016-03-16 r70336) -- "Very Secure Dishes"
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> require(ggbeeswarm)
Loading required package: ggbeeswarm
Loading required package: ggplot2
Warning messages:
1: package ‘ggbeeswarm’ was built under R version 3.2.5
2: package ‘ggplot2’ was built under R version 3.2.5
> ggplot(iris,aes(Species, Sepal.Length)) + geom_quasirandom()
Error in f(..., self = self) : attempt to apply non-function
答案 0 :(得分：1)
您必须将R更新为3.2.5或更高版本。过去有这个错误。