一些示例：https://blog.csdn.net/weixin_72965820/article/details/137505636
1.柱状图
https://blog.csdn.net/jiangmeilinabcd/article/details/128224236
https://blog.csdn.net/chongbaikaishi/article/details/116657640
包括矩阵，中文，多组比较
https://www.runoob.com/r/r-bar-charts.html
https://zhuanlan.zhihu.com/p/107027448
矩阵数据解析
https://cloud.tencent.com/developer/article/2231623
两组比较
https://blog.csdn.net/jiangmeilinabcd/article/details/128224236
2.直状图
连续型直方图hist
https://blog.csdn.net/weixin_42712867/article/details/96091693
解析：
https://www.stats.gov.cn/zs/tjll/sjms/202310/t20231012_1943526.html
3.箱图，散点图
https://geek-docs.com/r-language/r-top-tutorials/1031100_r_scatterplots.html
4.泊松分布
https://blog.51cto.com/u_16099268/7984688