[英]Reorder ggplot2 barplot in R
我有dat
其中包含产品的功能和景气指数。
TAL = c('Samsung','Apple','LG','Sonic','Motorola','Samsung','Apple','LG','Sonic','Motorola','Samsung','Apple','LG','Sonic','Motorola','Samsung','Apple','LG','Sonic','Motorola','Samsung','Apple','LG','Sonic','Motorola','Samsung','Apple','LG','Samsung','Apple','LG','Samsung','Apple','LG','Samsung','Apple')
FEL = c('color','price','name','brand','sound','technology','general','height','width','color','price','name','brand','sound','technology','general','height','width','color','price','name','brand','sound','technology','general','height','width','color','price','name','brand','sound','technology','general','height','width')
POLAR = c(10,-5,5,-8,6,3,5,10,-5,5,-8,6,3,5,10,-5,5,-8,6,3,5,10,-5,5,-8,6,3,5,10,-5,5,-8,6,3,5,10)
dat = data.frame(TAL,FEL,POLAR)
而且,我用下面的代码用ggplot2作了图
sentim <- ggplot(dat, aes(x=reorder(FEL,-POLAR), y=POLAR, fill= POLAR > 0)) +
geom_bar(stat = "identity", show.legend = F)+
xlab("Feature") +
ylab("Sentiment score") +
facet_grid(. ~ TAL, scales = "free") +
theme(panel.background = element_blank(),
plot.background = element_blank(),
panel.grid.major.x = element_line(size=0.1, colour = 'grey', linetype=3),
panel.grid.minor.x = element_line(size=0.1, colour = 'grey', linetype=3),
panel.spacing = unit(1, 'lines'),
axis.line = element_line(size=0.6, colour = 'black'),
axis.text = element_text(colour = 'black'),
axis.ticks = element_line(colour = 'black'))
sentim
即使我使用了reorder
,我也只有这张照片。
尽管我喜欢整体服装,但我希望这些功能能够按顺序使用,例如decreasing = T
并仅展示具有最高或最低人气得分的Top4功能的Top3产品POLAR
就像上面的图片一样,我想订购功能,但只是针对每种产品展示一些功能。
您可以这样做:
dat$temp_var <- paste(dat$TAL, dat$FEL) #creates a secondary variable
library(dplyr)
#get the sum for each TAL-FEL group of POLAR and sort by decreasing order
dat=dat%>%group_by(TAL,FEL)%>%mutate(tot=sum(POLAR))%>%arrange(tot)
ggplot(dat, aes(reorder(temp_var, tot), POLAR,fill= POLAR > 0))+
geom_bar(stat = "identity", show.legend = F)+
facet_wrap(~TAL,scales="free_x")+
scale_x_discrete(labels = setNames(as.character(dat$FEL), dat$temp_var))
#If you want to focus on what's bad and need work you can filter out what you considering uninteresting, here if total of POLAR>5.
dat_bad=dat%>%group_by(TAL,FEL)%>%mutate(tot=sum(POLAR))%>%arrange(tot)%>%filter(tot<5)
ggplot(dat_bad, aes(reorder(temp_var, tot), POLAR,fill= POLAR > 0))+
geom_bar(stat = "identity", show.legend = F)+
facet_wrap(~TAL,scales="free_x")+
scale_x_discrete(labels = setNames(as.character(dat$FEL), dat$temp_var))
并归功于Axeman出色的功能来重命名标签。
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