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📜  散点图 - R 编程语言代码示例

📅  最后修改于: 2022-03-11 14:51:58.813000             🧑  作者: Mango

代码示例4
# Convert cyl column from a numeric to a factor variable
mtcars$cyl <- as.factor(mtcars$cyl)
head(mtcars)