Try passing columns of the DataFrame directly to matplotlib, as in the examples below, instead of extracting them as numpy arrays. df = pd. ... <看更多>

Can anyone give an example of when we would use a: line plot? bar plot? histogram? scatter plot? ... <看更多>

... a scatter plot as a method on a DataFrame. Regardless of what the index is or what the x argument is, it appears that pandas makes the x ... ... <看更多>

Another commonly used plot type is the simple scatter plot, ... can be seen in the documentation of plt.plot , or in Matplotlib's online documentation. ... <看更多>

I am using python and here is the code for the beginning. import numpy as np import matplotlib.pyplot as plt import pandas as pd # ... ... <看更多>