position=position_dodge(preserve='single'),data=gohome.disthome,aes(x=dcsz,y=meandisthome))+#overlay data pointsgeom_point(position=position_dodge(0.9))+#add error barsofmeansgeom_errorbar(data=gohome.disthome,stat="Identity",position=position...
barplot with error bars library(plotly) library(dplyr) set.seed(123) df <- diamonds[sample(1:nrow(diamonds), size = 1000),] df.summ <- df %>% group_by(cut) %>% summarize(Mean = mean(table), Min = min(table), Max = max(table)) p <- ggplot(df.summ, aes(x = cut, y =...
position_dodge（）要求在global或geom_* 层中指定分组变量。试试这个：