擅长:python、mysql、java
<p>可以为函数的<code>y</code>参数提供多个列名。这些应该在<code>list</code>中指定,如下所示</p>
<pre><code>df.plot(x="year", y=["action", "comedy"])
</code></pre>
<p>完整示例:</p>
<pre><code>import matplotlib.pyplot as plt
import pandas as pd
df = pd.DataFrame({"year": [1914,1915,1916,1919,1920],
"action" : [2.6,3.4,3.25,2.8,1.75],
"comedy" : [2.5,2.9,3.0,3.3,3.4] })
df.plot(x="year", y=["action", "comedy"])
plt.show()
</code></pre>
<p><a href="https://i.stack.imgur.com/WqRpk.png" rel="noreferrer"><img src="https://i.stack.imgur.com/WqRpk.png" alt="enter image description here"/></a></p>