我試過用geom_smooth(method = "lm")，還是不行。。。
percentage.no.work <- cleanData %>% group_by(AREA) %>%
summarise(percentage = mean(ESTIMATED.CITY.UNEMPLOYMENT))
ggplot()
geom_point(data=percentage.no.work, aes(x=AREA, y=percentage), alpha=0.6, color="purple", size=2)
geom_smooth(method = "lm")
theme_minimal() ggtitle("Percentage Estimated City Unemployment")
ylab("Percentage")
uj5u.com熱心網友回復：
您還需要提供美學geom_smooth。通過將其包含在ggplot()或 中geom_smooth()：
ggplot()
geom_point(data=percentage.no.work, aes(x=AREA, y=percentage), alpha=0.6, color="purple", size=2)
geom_smooth(aes(x=AREA, y=percentage), method = "lm")
theme_minimal() ggtitle("Percentage Estimated City Unemployment")
ylab("Percentage")
您可以避免將代碼的重復部分放入ggplot()
ggplot(data=percentage.no.work, aes(x=AREA, y=percentage))
geom_point(alpha=0.6, color="purple", size=2)
geom_smooth(method = "lm")
theme_minimal() ggtitle("Percentage Estimated City Unemployment")
ylab("Percentage")
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