deem 发表于 2017-10-24 18:12 
你好这个代码似乎有很多问题。。。。。。。。。。目前我改到这里了
library("ggplot2")
library("reshape2")
library("colorspace")
CountrySales <- read.csv("hw4_CountrySales.txt")
CountrySales$id <- nrow(CountrySales):1
CountrySalesperc<- cumsum(CountrySalesperc <- cumsum(CountrySales$sales)/sum(CountrySales$sales)*100)
CountrySales$sales<−CountrySalessales <- CountrySalessales/0.4
CountrySales2 <- melt(CountrySales, id.vars = c("id", "country"))
CountrySales2variable<−as.factor(CountrySales2variable <- as.factor(CountrySales2variable)
levels(CountrySales2$variable) <- c("Sales", "Percentage")
ggplot(CountrySales2, aes(id, value)) +
geom_line(aes(linetype=variable)) +
coord_flip() +
scale_y_continuous("Sales", sec.axis = sec_axis(~.*0.4))+
scale_x_continuous(labels = rev(CountrySales$country), breaks=1:25) +
labs(x=NULL, linetype=NULL) +
theme_classic()