Use geom_col : library(ggplot2) ggplot(mydat, aes(x = type, y = height)) + geom_col(). enter image description here. ... <看更多>

chenpanliao/R-bar-plot-example.R. Created 6 years ago ... 注意barplot 的回傳值被我定義為變數bp（之後有用）. bp <- barplot(. Y, beside = T,. ... <看更多>

2 Grouped bar chart. Grouped bar charts place bars for the second categorical variable side-by-side. To create a grouped bar plot use the position = " ... ... <看更多>

I shall assume that you are able to import your data in R with read.table() or the short-hand read.csv() functions. Then you can apply any summary functions ... ... <看更多>