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我正在查看文档ggplot2,特别是此页面,并尝试解析示例,特别是,
ggplot2
cars <- ggplot(mtcars, aes(y=factor(cyl), x=mpg)) cars + stat_bin(aes(fill=..count..), geom="tile", binwidth=3, position="identity")
看不懂题意fill=..count..,有人可以启发我吗?
fill=..count..