r语言ggplot2图例修改

ggplot(data = TFP_S,aes(rtfpna,color = country),scale_color_brewer(palette = 1)) + geom_density()

1.修改图例为线型，而不是方框
2.修改图例为中文，而不是英文

大概这样

1. ggplot(iris) +
   
2.   stat_density(aes(x = Sepal.Width, colour = Species), geom = "line", position = "identity") +
   
3.   scale_color_discrete(name="种类", labels = c("山鸢尾","变色鸢尾","维吉尼亚鸢尾"))

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给个用统计变换做的

1. ggplot(iris,aes(x=Sepal.Width,colour = Species))+
   
2.   geom_line(stat = "density")+
   
3.   scale_color_discrete(name="种类", labels = c("山鸢尾","变色鸢尾","维吉尼亚鸢尾"))

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