pandas教程:[29]柱形图
上一篇文章做了一个散点图以及散点图的趋势线,这篇文章转向柱形图,柱形图一般适用于离散数据,而直方图更多用于连续数据。下面是具体绘制过程:
引入相关模块
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/e6ae36066b0192ddc2f885471a87031c98c0f00c.jpg)
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/aebdff86242fa8726ea78d50bfdaf05e4b23e90c.jpg)
绘制一个柱形图很简单,只要在plot里指定kind为bar
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/f11f54237971fe1d97612badea20a7cd0d6ee00c.jpg)
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/6061b9cd0c6efbf2050a4663127bbbf4db58da0c.jpg)
可以如此设置柱形图的样式:
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/7496877bbbf4da587e63edfdea0f8b56ac04d70c.jpg)
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/739bc049610f8b56bdbd1ddc9ce951e10ff8d30c.jpg)
堆积直方图只需要设置stacked=True
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/ac45306817e951e11a416be25e3da824d9e9cf0c.jpg)
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/50a010f85856d53dbf9deb5d47d2bb665059ca0c.jpg)
很多时候我们的柱形图是延水平方向的,这时候需要设置kind=‘barh’
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/d47cb624d8e9ccd2a1df62ed0e40102a05e2c90c.jpg)
![pandas教程:[29]柱形图](https://exp-picture.cdn.bcebos.com/cd93a566515985400d933756b5a23a42a17ac40c.jpg)
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