初学R 请问geom_col()和geom_bar()这两个函数有什么区别？

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关键词：GEO EOM bar 求解答

There are two types of bar charts: geom_bar makes the height of the bar proportional to the number of cases in each group (or if the weight aesthetic is supplied, the sum of the weights). If you want the heights of the bars to represent values in the data, use geom_col instead. geom_bar uses stat_count by default: it counts the number of cases at each x position. geom_col uses stat_identity: it leaves the data as is.
geom_bar自带统计属性

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