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        在 pandas 折线图中绘制多列

        时间:2023-09-29
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                1. 本文介绍了在 pandas 折线图中绘制多列的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我正在尝试在折线图中绘制多个列,其中月"作为 X 轴,每个计数"作为新行.我希望它有 5 行,'Count-18..Count-14'.我尝试绘制 1 行作为测试,但是当我运行以下代码时,我得到以下输出但没有图表.有什么想法吗?

                  I am trying to plot a multiple columns in a line graph with 'Month' as the X axis and each 'Count' as a new line. I want it to have 5 lines, 'Count-18..Count-14'. I tried plotting 1 line as a test but when I run the following code I get the following output with no graph. Any ideas?

                  ax = plt.gca()
                  
                  DomReg1418.plot(kind='line',x='Month',y='Count-18',ax=ax)
                  

                  推荐答案

                  当你有一个 DataFrame 有一列用作 X 轴和其他作为绘制线条的来源,您应该:

                  When you have a DataFrame with one column to be used as X axis and other as a source of lines to draw, you should:

                  • 将索引设置为X"列(在您的情况下为 Month),
                  • 运行绘图
                  • 用分号结束命令,以阻止文本消息关于图片对象.

                  代码如下:

                  DomReg1418.set_index('Month').plot();
                  

                  对于测试,我在前 6 个月输入了 X 和 3 个 Count 列并执行上述命令,得到如下结果:

                  For the test, I entered X and 3 Count columns, for first 6 months and executed the above command, getting the following result:

                  这篇关于在 pandas 折线图中绘制多列的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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