stat_smooth (geom="line", alpha=0.3, size=3, span=0.5) +
geom_line(stat="smooth",method = "loess", formula = y ~x,span=0.3,
size = 1.5,
#linetype ="dashed",
alpha = 0.5)+
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stat_smooth (geom="line", alpha=0.3, size=3, span=0.5) +
geom_line(stat="smooth",method = "loess", formula = y ~x,span=0.3,
size = 1.5,
#linetype ="dashed",
alpha = 0.5)+
相关文章：